2. The school bought three basketballs and * * * spent 96 yuan; I bought another football and spent 40 yuan. How much does it cost to buy a basketball and a football? What is the difference in unit price between the two kinds of balls?

Wang Xia bought a story book with 140 pages and has read 86 pages. The rest of the plan will be completed in six days. How many pages do you need to read every day?

The price of chairs is 25 yuan, and the price of tables is three times that of chairs. How much does it cost to buy a chair and a table?

There are 58 story books and 34 popular science books in the library corner of the class. How many books do you want to put on a four-story bookshelf?

Lily and Wang Min made paper cranes at the same time. Lily does 12 cranes every hour, and Wang Min does 14 cranes every three hours. How many paper cranes did two people make together?

7. Students take part in the mountain climbing competition, and the lesbian credits are divided into 4 groups, each with 15 people. There are 76 boys taking part in the competition. How many students took part in the mountain climbing competition?

8. Uncle Wang went into the county and sold 9 rabbits, each 22 yuan. Also sell 1 sheep, get 160 yuan. (1) How much did Uncle Wang spend on his rabbit and sheep? (2) Wang bought four bottles of pesticides with the money from selling rabbits and sheep, each bottle was 13 yuan. How much money does Uncle Wang have left?

9. Which is cheaper, a barrel of 3 kg oil in 42 yuan or a barrel of 5 kg oil in 65 yuan?

10, a coat 65 yuan, a pair of pants 28 yuan. (1) How much is it more expensive to buy four coats than four pairs of trousers? (2)1Is it enough for 50 yuan to buy two sets of clothes?

1 1. There are two iron wires, the first one is 35 meters long, and the second one is 4 times 2 meters longer than the first one. How long is the second one?

12. The circumference of the rectangular playground is 400 meters, and the length is three times the width. What is the length and width of this playground?

13, with two identical rectangles, 8 decimeters long and 4 decimeters wide. If you put them together into a rectangle, what is the circumference of the rectangle? What is the circumference of a square if it is spelled into a square?

14, Dongdong borrowed a 40-page science and technology book and returned it a week later. He intends to read six pages every day. Can he return it on time?

/kloc-Class 0/5 and Class 3 (2) have 44 people in total. The teacher is going to divide them into eight groups for discussion. How many people are left in each group?

16, a piece of 4-meter-long cloth can be cut into five vests of the same size. How much cloth does it take to make a vest?

17. A baby elephant weighs 4 tons. How many elephants can a large truck with a load 10 ton transport at a time?

18, 632 bags of dry bottles in Hongqi chain store, 385 bags were sold and 200 bags were shipped. How many bags of dry bottles are there in the shop at this time?

2 1, 238 yuan for a VCD and 458 yuan for a scanner. Dad brought 800 yuan. Is it enough?

22. Uncle Zhang caught 700 Jin of fish, sold 523 Jin in the morning, and sold 394 Jin less in the afternoon than in the morning.

(1) How many Jin did you sell this afternoon? (2) How many kilograms did a * * * sell on this day? (3) How many kilograms are left?

34. Cut a rectangular piece of paper with a length of 36 cm and a width of 18 cm into two largest squares. What is the circumference of a square?

35. A rope is five times that of 45 meters, and a wire is seven times that of this rope. How long is this wire?

36. To build a 945-meter road, 354 meters were built in the first month, 276 meters in the second month, and how many meters will it take in the third month?

37. The supermarket sold 153kg of rice in the morning, and there were 56 more bags in the afternoon than in the morning. How many bags of rice did the worker sell today?

The fruit shop returned 54 baskets of fruit, 48 of which were apples and the rest were pears. How many times are there apples and pears in these baskets?

39. A car travels 55 kilometers per hour. According to this calculation, how many kilometers can you drive in 4 hours?

40. The feeding group raised 32 white rabbits and 26 black rabbits. The number of grey rabbits is less than the total number of white rabbits 18. How many gray rabbits will you raise?

4 1, the road repair team has built a road, which has been repaired for 550 meters, and the rest is four times that of the repair. How many meters are left? How long is this road?

42. Mingming has 42 petrol tickets, Fangfang has more than Mingming 14. How many stamps do they have?

There are 24 Metasequoia glyptostroboides in the campus, and the number of pine trees is three times that of Metasequoia glyptostroboides. How many Metasequoias and pine trees are there? How many Metasequoia trees are fewer than pine trees?

There are 35 black swans, and the number of white swans is three times that of black swans, with eight more. How many white swans are there?

45. Aunt Wang went to buy three footballs, each 28 yuan, and paid the salesperson 100 yuan. How much did she get back?

46. The rectangular playground is 55 meters long and 35 meters wide. Xiaohua ran two full laps along the playground. How many meters did he run?

47. Class Three (1) borrowed 29 books, Class Three (2) borrowed 38 books and Class Three (3) borrowed 34 books, less than the sum of Class One and Class Two. How many books did Class Three (3) borrow?

48. The fruit shop sent 850 Jin of apples, and sold 286 Jin in the morning and 354 Jin in the afternoon. How many kilograms are left?

49. A rope is 25 meters long. Cut 10 meter first, and make a short skipping rope every two meters for the rest. How many short jump ropes can you make? How many meters are left?

50. Xiaohong, Xiaoying, Xiaolan and Xiaoping have a table tennis match. Every two people play once, how many times will a * * * play? Please write them down.

5 1, the fruit shop returned 650 kg of apples, sold 385 kg, and some returned 270 kg. How many kilograms of apples are there in the fruit shop now?

52. The third-grade students of Hongxing Primary School go for a spring outing in four cars. The first three carriages each carry 68 students, and the fourth carriage carries 74 people. How many people went for a spring outing?

53. An article is 600 words. Xiao Fang's father can type 67 words per minute on average. Can he finish it in 9 minutes?

54. The road repair team has built a road with a length of 1 1,500m, which has been repaired for 500m, and the remaining six days will be completed. How many meters do you need to repair every day on average?

55. The track of the sports ground is 400 meters. Uncle Wang insists on running two and a half laps every day. How many meters does he run every day?

56. Xiaoli walks for about 50 cents. She walked 540 steps from home to school. Calculate, how many meters is it from her home to school?

57. The light blue height 134 cm, and the east thing is 5 cm higher than the light blue. How many centimeters is Dongdong tall?

58. There are 257 boys and 235 girls in the third grade of Red Scarf Primary School. There are 387 people who have undergone physical examination. How many people don't?

59. The library has lent out 456 books, and there are 207 books left. Now, 285 books have been returned. How many books are there in the library now?

60. The Red Scarf Primary School bought 380 balls and 70 soccer balls, and borrowed 423 balls during extracurricular activities. How many balls are left in the school now?

6 1. Class 3 (2) donated 400 books, with 273 books left. Now we have bought 125 books. How many books are there in Class Three (2)?

62. Dongdong wants to buy a 3 10 yuan scooter, which has been deposited in 200 yuan. If he deposits in 30 yuan every month, a few more months will be enough.

63. The students of Dongfanghong Primary School donated 900 books to Project Hope, including 326 story books, 475 science books and the rest comic books. How many comic books are there?

64. The side length of a square is 8 cm. If its side length increases by10cm, how many centimeters will its perimeter increase?

65. Xiaoming is 2000 meters away from school and Xiaohong is 1500 meters away from school. What is the farthest distance between them? What's the nearest distance?

How many 20-cent and 50-cent stamps can I buy for 66.50 yuan?

67. A silkworm needs 600 kilograms of mulberry leaves and can produce 50 kilograms of cocoons. How many kilograms of mulberry leaves does Xiaoli need to raise four silkworms? How many kilograms of cocoons can you cocoon?

68. The baby elephant weighs 100 kg at birth, increasing by 200 kg every year. /kloc-How much will it weigh in 0/0 years?

69. Uncle Wang sends 25 barrels of water every day, each of which is 25 kilograms. How many kilograms of water does Uncle Wang send every day?

70. The Olympic torch travels 8 16 kilometers in a certain place in four days. How many kilometers do you pass on average every day?

7 1. Xiaoming and Xiaohong collect stamps. Xiaoming's collection is more than Xiaohong's 15 stamps, which is exactly four times that of Xiaohong. How many stamps does Xiaoming and Xiaohong have?

The school bought five boxes of badminton, each box 12. I spent 20, how many are left?

72. The school bought three basketballs and * * * spent 96 yuan; I bought another football and spent 40 yuan. How much does it cost to buy a basketball and a football? What is the difference in unit price between the two kinds of balls?

73. Wang Xia bought a story book with 140 pages and has read 86 pages. The rest of the plan will be completed in six days. How many pages do you need to read every day?

74. The price of chairs is 25 yuan, and the price of tables is three times that of chairs. How much does it cost to buy a chair and a table?

There are 58 story books and 34 popular science books in the library corner of the class. How many books do you want to put on a four-story bookshelf?

76. Lily and Wang Min made paper cranes at the same time. Lily makes 12 cranes every hour, and Wang Min makes 14 cranes every hour. It took three hours. How many paper cranes did two people make together?

77. Students participate in the mountain climbing competition, and the Lala credits are divided into four groups, each with 15 people. There are 76 boys taking part in the competition. How many students took part in the mountain climbing competition?

78. Uncle Wang entered the county seat and sold nine rabbits, each 22 yuan. Also sell 1 sheep, get 160 yuan. (1) How much did Uncle Wang spend on his rabbit and sheep? (2) Wang bought four bottles of pesticides with the money from selling rabbits and sheep, each bottle was 13 yuan. How much money does Uncle Wang have left?

79, a barrel of 3Kg oil 42 yuan, a barrel of 5Kg oil 65 yuan, which bottled oil is cheaper?

80, a coat 65 yuan, a pair of pants 28 yuan. (1) How much is it more expensive to buy four coats than four pairs of trousers? (2)1Is it enough for 50 yuan to buy two sets of clothes?

8 1, there are two iron wires, the first one is 35 meters long, and the second one is 4 times 2 meters longer than the first one. How long is the second one?

82. The circumference of a rectangular playground is 400 meters, and its length is three times its width. What is the length and width of this playground?

83. There are two identical rectangles with a length of 8 decimeters and a width of 4 decimeters. If you put them together into a rectangle, what is the circumference of the rectangle? What is the circumference of a square if it is spelled into a square?

84. Dongdong borrowed a 40-page science and technology book and returned it a week later. He intends to read six pages every day. Can he return it on time?

There are 44 students in Class Three (2). The teacher is going to divide them into eight groups for discussion. How many people can each group have? How many people are left?

86. A piece of 4-meter-long cloth can cut five vests of the same size. How much cloth does it take to make a vest?

87. A baby elephant weighs 4 tons. How many elephants can a large truck with a load 10 ton carry at a time?

88. Hongqi Chain Store has 632 bags of dry bottles, of which 385 bags were sold and 200 bags were shipped. How many bags of dry bottles are there in the shop at this time?

89. The school bought an exercise book of 8 10, and took it away from the first grade 168 and the second grade 165. How many books are left?

90. Car 10 of a certain train originally had 1 16 people. After arriving at a station, 58 people got off and 45 people got on. How many people were there in this car when we drove again?

9 1, 238 yuan for a VCD and 458 yuan for a scanner. Dad brought 800 yuan. Is it enough?

92. Uncle Zhang caught 700 Jin of fish, sold 523 Jin in the morning, and sold 394 Jin less in the afternoon than in the morning.

How many Jin of fish does Uncle Zhang sell every day?

24. Aunt Wang is an expert in making children's clothes. She can make 75 sets of children's clothes a week. Now the working week is five days. (1) According to this calculation, how many sets can 15 make?

(2) How many days does it take to make 120 sets of children's clothes?

6. In the feeding group, 64 white rabbits were raised, which was four times that of gray rabbits. How many gray rabbits have you raised?

33.( 1) Every classroom in Shui Bo Primary School has three windows, and each window is equipped with 12 pieces of glass. How many pieces of glass have been installed in 9 classrooms?

(2) Liu Yang Primary School has 12 classrooms, each classroom has 3 windows, and each classroom is equipped with 324 pieces of glass. How many pieces of glass are installed in each window on average?

46. Sunshine Primary School has 960 teachers and students. 60 tons were used in June. (1) How many tons of water does the school use on average every day?

(2) According to this calculation, how many people can use 1 ton of water for one day?

How about a month?

79. The fruit shop bought three baskets of apples, four baskets of peaches and five baskets of pears. Apples weigh 42kg, peaches 46kg and pears 38kg.

How many kilograms are peaches heavier than apples? (3 points)

(2) How many kilograms are there in pears and peaches?

97. There are 980 seats downstairs in the theater, and there are 640 fewer seats upstairs than downstairs. How many tickets can this cinema sell at most when the film is shown? How much can a one-way ticket to 20 yuan earn?

13, (1) There are three windows in each classroom of Shui Bo Primary School, and each window is equipped with 12 pieces of glass. How many pieces of glass have been installed in nine classrooms?

(2) Liu Yang Primary School has 12 classrooms, each classroom has 3 windows, and each classroom is equipped with 324 pieces of glass. How many pieces of glass are installed in each window on average?

14, Xiaohong bought two boxes of mung bean cakes, one weighing 1 kg. There are 20 pieces in each box. How many grams does each piece weigh on average?

15. A bus leaves from Zhang Cun. If you drive at a speed of 60 kilometers per hour, it will take 4 hours to reach Lizhuang. It only took three hours to get there. How many kilometers does this car actually travel per hour on average?

16, Baita Village plans to build a canal. If16m is built every day,18m can be completed. I built 24 meters on the first day. According to the progress of the first day, how many days can it be completed?

17, Hong Guang Hotel bought 100 towels, each 6 yuan. How many towels can I buy if I buy a towel with this money of 8 yuan?

18, a pack of A4 copy paper, 25 sheets a day, used up in 20 days. How many days can I use less than five cards a day?

19, a professional beekeeper, raised 24 boxes of bees this year. Last year, 5 boxes of bees brewed 375 kilograms of honey. According to last year's honey output, how many Jin of honey can be brewed this year?

20. Dongdongjia raised 135 trees on the land of 15 square meters. According to this calculation, how much land is needed to raise 990 trees?

2 1, Hongshicun Primary School is divided into 6 groups, with 4 people in each group and 360 trees in each group. How many trees are watered per person on average?

There are three times as many eggs in the box as in the basket. There are 96 eggs in a box. How many eggs are there in six baskets?

23. The average speed of a train before speeding up is 7 1km, and it takes 12 hours to get from Qinhuangdao to Handan. After speeding up, the average speed is 95 kilometers per hour. How many hours does it take from Qinhuangdao to Handan after speeding up?

24. Aunt Wang is an expert in making children's clothes. She can make 75 sets of children's clothes a week. Now the working week is five days. (1) According to this calculation, how many sets can 15 make?

(2) How many days does it take to make 120 sets of children's clothes?

1, trapezoidal orchard, with an upper bottom of 80m, a lower bottom of 60m and a height of 30m. If each fruit tree covers an area of 10 square meter, how many fruit trees are there in this orchard?

This farm has 3.6 hectares of paddy fields. Last year, it harvested 33.5 tons of early rice and 37.9 tons of late rice. This year, it harvested 22.3 tons of rice per hectare. Compared with last year, how many tons has the output per hectare increased this year?

3. Make a set of furniture with 3.8 cubic meters of wood. After improving the technology, each machine can save 0.4 cubic meters of wood. It turns out that 1600 sets of furniture are all made of wood. How many sets can we make now?

4. Last year, a specialized agricultural household harvested four times as much wheat as corn, and wheat was more than corn 13.5 tons. How many tons of wheat did it harvest last year?

5.A car and B car leave Shanghai for Qingdao at the same time. 18 hours later, car a is 57.6 kilometers behind car b, and car a is 32.5 kilometers per hour. How many kilometers per hour is car b?

6. Young Pioneers collected medicinal materials, and the first group of 7 people collected 5.6 kilograms. According to this calculation, how many kilograms of medicinal materials can 48 people in the class receive?

7. Dongfanghong Farm plans to plant large cherry 10800 hectares in 60 days, and actually plants 20 hectares more than planned every day. According to this calculation, how many days will it take to complete the original plan? How many days in advance?

8. Xiaohong has 50 books. After giving it to Xiaolan, Xiaohong has three more copies than Xiaolan. How many copies does Xiaolan have?

9. A TV factory produced black-and-white TV sets 1500 in June, and produced 270 fewer color TV sets than black-and-white TV sets. How many color TV sets?

10, a parallelogram wheat field with a bottom of 180 meters and a height of 50 meters, if 1200 kilograms of chemical fertilizer is needed per hectare, how many kilograms of chemical fertilizer does this wheat field need?

1 1. bought two pens, handed them over to 15 yuan got them back 1.2 yuan. How much is each pen?

12, Master Wang made a part in 14 hours. After improving the technology, it took 2 hours less than before. How many parts can he make now in the original time of 60 parts?

13. A parallelogram wheat field with a bottom of 30.5 meters and a height of 83 meters. If you harvest 0.7 kilograms of wheat per square meter, how many kilograms of wheat can you harvest in this wheat field?

14. The bookstore bought 2400 books for teenagers, sold them for 5 days, and there were 600 books left. How many books are sold on average every day?

15, the school gymnastics team has 120 people, twice as many as the football team. How many people are there in the football team? (Equation, Arithmetic)

16. The section of a canal is trapezoidal, with an area of 2.52 square meters, a width of 1.4 meters at the bottom, a width of 2.8 meters at the mouth and a depth of several meters.

17, a bus and a truck left the station in the opposite direction at the same time and traveled for 2.5 hours. The distance between the two cars is 3 12.5 kilometers, and the speed of the truck is 60 kilometers per hour. How many kilometers does this bus travel per hour?

18, machinery factory 15 days production 195 machines, actually producing 2 more machines than originally planned. According to this calculation, how many days did it take to complete the original production task?

19. There are two baskets of fruit. The weight of the first basket is 1.5 times that of the second basket. If you put 15 kg in the second basket, the two baskets are equally heavy. How many kilograms of native fruit are there in basket B? (Equation solving)

20. The fruit shop delivers 2 baskets of apples 12 and 26 baskets of pears, each of which is/10 10/0 kg. If each basket of apples weighs 30 kilograms, how many kilograms does each basket of pears weigh?

2 1. A factory produces 3432 machine parts. After five days of production, 132 will not be produced. How many parts are produced on average every day?

23. The elder brother is 0.5 times older than the younger brother. Their ages add up to 25. How old are brother and younger brother?

24. Two cars started from a factory at the same time and walked in opposite directions. One car travels 33 kilometers per hour, and the other car travels 42 kilometers per hour. How many hours later, the distance between two cars187.5km?

25. The sewing group made 22 sets of adult clothes, children's clothes 19 sets and cloth167m. It is known that each set of children's clothing fabric is 3 meters and each set of adult clothing fabric is several meters. (two methods)

26. Xiao Ming measured a rectangular piece of land, with a length of 120 steps, a width of 80 steps and a step length of 0.75 meters. How many hectares is this land?

There are 74 students in Grade Four, two more than Grade One. How many students are there in Grade One?

28. There are 80 fifth-grade students, and the number of boys is 1.5 times that of girls. How many male students are there?

29. A box of 6 boxes of table tennis, each box 12. Li Ming brought money from 50 yuan, sold three boxes and took it back to 6.8 yuan. How much is each ping-pong ball?

30. Two trucks, A and B, left Shanghai for Qingdao at the same time. 18 hours later, train A was 57.6 kilometers behind train B, and the speed of train A was 32.5 kilometers per hour. How many kilometers per hour is the B train?

3 1. The fruit shop sold two boxes of the same pears, the first box was 24 kg, the second box was 27 kg, and the second box sold more 4.8 yuan than the first box. What is the average price per kilogram of pears? (Equation, Arithmetic)

32. Buy 5 pens and 7 notebooks. The total price of pens is more than that of notebooks 1.3 yuan. The price of the notebook is 0.85 yuan. How much is a pen?

33. There are two barrels of oil. The weight of barrel A is 1.5 times that of barrel B. If barrel B is added with 2.5 kilograms, the two barrels are equally heavy. How many kilograms did the first two barrels weigh?

My brother has 20 stamps. After giving my brother three stamps, they have the same number of stamps. How many stamps does my brother have? (Equation, Arithmetic)

35. The distance between the two places is 400 kilometers. Two cars, A and B, leave from two places at the same time. Car A travels 55 kilometers per hour and car B travels 50 kilometers per hour. How many hours are there between the two cars148km? (Equation, Arithmetic)

36. Xiaoming walked 50 meters, with 8 1 step for the first time, 79 steps for the second time and 80 steps for the third time. At this speed, he walked 245 steps from home to school. How far is his home from school?

37. A parallelogram plot with a base length of 280 meters and a height of 57.5 meters receives 3,542 kilograms of corn seeds. How many kilograms of corn seeds are produced per hectare on average?

38. The road length between Party A and Party B is120km. It takes three hours for a car to transport goods from Party A to Party B, and the return journey takes 10 km/hour. How many hours did it take to get back to Party B?

39. Three groups planted 300 trees. According to this calculation, the 12 group is coming again. How many trees can a * * * plant?

40. The TV factory originally planned to produce 120 TVs every day, and 15 days to complete the task. Results The task was completed 2.5 days ahead of schedule. How much more is actually produced every day than originally planned?

4 1. A barrel of oil weighs 47kg. After using half of the oil, the barrel filled with oil weighs 24 kilograms. How much do barrels and oil weigh?

42. Car A and car B drive in opposite directions from two places. Car A travels 55 kilometers per hour, while car B travels 62 hours per hour. Car B leaves after car A leaves 1 hour, and it takes 2.5 hours for the two cars to meet. How many kilometers are the two places apart?

43. A batch of cloth was originally planned to make 80 sets of clothes. After adopting the new cutting method, each set saves 0.4 meters, resulting in 10 sets of clothes. How many meters is this batch of cloth?

44. A train passes Nanjing Yangtze River Bridge. The bridge is 6700 meters long, the train is 100 meters long, and the train travels 400 meters per minute. How many minutes does it take for this train to cross the bridge?

45. A worker originally planned to process 7728 parts in 16 days, but actually finished the task four days ahead of schedule. How many more parts are processed than planned on average every day?

46. The distance between Party A and Party B is 504 kilometers, and two cars start from both places at the same time. Car A travels 30 kilometers per hour and car B travels 33 kilometers per hour. How many kilometers less than car b when they met?

47. The machine tool factory produces 124 machine tools in the first workshop, and the production of 15 machine tools in the second workshop is twice as small as that in the first workshop. How many machine tools are produced in these two workshops?

48. Xiaoming used to learn 1 1 words every day, but now he learns five more words every day. According to this calculation, how many words can he learn in three months (30 days per month)

49. Three cars carry 240 boxes of pears at a time. At present, there are 7200 boxes of pears, and now they need to be shipped five times. How many cars do you need?

50. Xiaohong keeps 20 chickens and lays 360 eggs a month. According to this calculation, 15 chickens will be added. How many eggs will be laid a month? (Answer in two ways)

5 1. Two cars, Party A and Party B, start from the same place and have opposite directions. 1 hour later, the second car leaves. What is the distance between the two cars after 3 hours? (A car is 44.5 kilometers per hour, and B car is 38.5 kilometers per hour. Draw a line graph first, and then solve it with columns. )

52. The distance between the two places is 800 kilometers. Two cars leave from two places at the same time. A car is 45 kilometers per hour, and B car is 5 kilometers more than A car. How many kilometers are there after 7 hours?

53. The store delivered 36 baskets of pears, each weighing 27.5 kilograms. The apples shipped weigh 250 kilograms, less than twice as much as pears. How many kilograms of apples were shipped?

54. Two trains run opposite each other from two places 670 kilometers apart. Car A travels 70 kilometers per hour, and car B travels 80 kilometers per hour. 0 hours after the 65438+A train leaves, the B train leaves. Two cars will meet in a few hours.

55. The school planned to collect 750 thousand scrap iron in June, but actually collected 870 kilograms. How many kilograms do you actually collect every day than planned?

56. After Party A and Party B accept the task of producing 120 parts at the same time, they start to work at the same time. Party A produces 15 pieces per hour, and Party B produces 12 pieces per hour. When Party A finishes the task, how much does Party B have to finish?

57. A water pump used to irrigate 0.75 hectares a day, but now it irrigates 0.2 hectares more than originally planned. How many days does it take for two such pumps to irrigate 19 hectares?

58. The automobile transportation company has eight vehicles, each of which weighs 64 tons. According to this calculation, there are now four more cars. How many tons can each unit transport?

59. Two ships, A and B, are sailing from Shanghai to Qingdao at the same time. Party A travels 36.5 kilometers per hour and Party B travels 43.2 kilometers per hour. After 8 hours, how many kilometers are the two ships apart?

60. Li Lin read the story book and read 42 pages. It took three days. According to this calculation, it took another four days. How many pages has a * * * read? (two methods)

6 1. Agricultural Machinery Factory planned to produce 1425 farm tools. After 5 days of production/kloc-0, 300 pieces were still unfinished. How many pieces are produced on average every day in this 15 day?

62. The price per kilogram of flour in the store is 0.92 yuan, and the rice is 0.8 yuan. Aunt Wang bought 25 Jin of flour and rice and paid 100 yuan. How much should she get back? (two methods)

63. It is planned to produce16,800 washing machines throughout the year. As a result, the annual task was completed two months ahead of schedule. According to this calculation, how many washing machines can be produced in a year?

64. A train runs within 2 hours 106 km. Eight hours after starting from Station A at this speed, there is still 20 1.8 km from bilibili. Find the distance between the two stations.

65. A tractor used to transport 1.5 tons of cement at a time, but now it transports 0.4 tons more than before. Now it uses two such tractors to transport 38 tons of cement. How many times do you need to transport?

66. Greening cities on rectangular land with a length of 16 km and a width of 13 km. It is planned to plant 3750 trees per hectare. How many trees can be planted in this land?

67. A tractor can transport 240 baskets of pears in three trips, and an orchard can transport 7,200 baskets. How many trips can five such tractors carry?

68. The kindergarten teacher bought 250 toys for the children, and after distributing them to 40 children on average, there was still 10 left. How many pieces are allocated to each child on average?

1. A has 14.8 yuan and B has 15.2 yuan. They want to buy a football together. The price of a football is twice their money. How much is a football? How much are they short of?

2. A machine plows 15 hectares in 3 hours. According to this calculation, how many hours does it take for five machines to plow 75 hectares?

There are 14 boxes of duck eggs in the shop. Sold 250kg, leaving 4 boxes and 20kg. How many kilograms are there in each box of duck eggs?

4. bright primary school donated books to mountain students, with 240 books in grade four, twice as many as in grade five, and more books in grade six than in grade five 120. How many books did he donate per grade on average?

The grain store delivered 20 bags of rice and 20 bags of flour, 90 kilograms of rice and 25 kilograms of flour each. How many kilograms more rice is brought in than flour? (Answer in two ways)

6. The length of the two ropes is 48.4 meters. After cutting 6.4 meters from the first rope, the second rope is 6 meters more than the remaining two of the first rope. How long are the two ropes?

1. Students in the fourth and fifth grades collect tree species, and the fourth grade collects tree species 18.6 kg, which is 2.5 kg less than that in the fifth grade. How many kilograms of tree species were collected in the second grade?

A workshop used to consume 2450 kWh of electricity every month. After the energy-saving activities, the original electricity consumption for one year can now be increased by two months. How many kWh of electricity does this workshop save on average every month?

1. Students take part in tree planting activities. There are 96 students in Grade 4 * * * with 3 trees each, and 87 students in Grade 5 with 4 trees each. How many more trees were planted in the fifth grade than in the fourth grade?

2. The scores of six students in the first group were 86, 79, 98, 100, 89 and 94 respectively. What is their average score?

3. The car travels for 3 hours 135km, and the plane is 28 times faster than the car and flies 60km less. How many kilometers does this plane fly per hour?

1. A clothing factory produced 850 suits in five days. According to this calculation, how many suits are produced a month? (30 days a month)

2. The store delivered 8 baskets of apples, 12 baskets of pears, with 38kg apples and 42kg pears in each basket. How many kilograms of fruit did this shop ship?

3. A construction site needs 240 tons of cement, which will be transported by five vehicles. Each car carries 3 tons at a time. How many times does it take to transport it? (There are two comprehensive solutions)

1. The distance between Party A and Party B is 750km. How many hours can a car travel at 50 kilometers per hour to reach Party B? (List the equations with unknowns and solve them again)

Obana Xiaolin has 12 pencils, and Xiaogang and Xiaohong have 20 pencils. How many pencils do they have on average?

1. A grade three or four primary school needs to water 620 trees. In the third grade, 40 trees should be watered every day for 8 days. The rest will be watered in the fourth grade. How many trees will be watered every day after five days?

2.3 The loom weaves 336m in 4 hours. According to this calculation, how many meters does 1 loom weave in 8 hours? The distance between Party A and Party B is 560 kilometers. One car travels from Party A to Party B at a speed of 48 kilometers per hour, and the other car travels from Party B to Party A at a speed of 32 kilometers per hour. How many kilometers apart are the two cars five hours after they leave the two places?

A section of highway was originally planned to be completed in 20 days. Actually, 45 meters are built every day more than originally planned, and the task is completed five days ahead of schedule. How many meters was originally planned to be built every day?

24. Aunt Wang is an expert in making children's clothes. She can make 75 sets of children's clothes a week. Now the working week is five days. (1) According to this calculation, how many sets can 15 make?

(2) How many days does it take to make 120 sets of children's clothes?