2. A section of road is 324 meters long, 240 meters has been repaired, and the rest is planned to be completed in 4 hours. How many meters are repaired per hour on average?
3. Hong Guang Printing Factory bound a batch of diaries, 960 copies were bound three days ago, and 420 copies were bound every day after 16. How many copies are there in this batch of diaries?
A typist enters 200 Chinese characters in 4 minutes. According to this calculation, how many minutes does it take to input 3000 Chinese characters?
5. Three bags of flour weigh 75 kilograms, and eight bags of flour weigh how many kilograms?
6. A steel plant needs 5 tons of water to smelt 750 kilograms of steel. According to this calculation, how many kilograms can a steel mill make by saving 55 tons of domestic water a day?
7.5 boxes of bees can brew 375 kilograms of honey a year. According to this calculation, how many Jin of honey can a 19 box of bees brew a year? How many boxes of bees does it take to brew 1725 kg of honey a year?
8. Two grade students go to buy books. There are 48 students in grade three, each of whom bought two books, and each of them bought three books in grade four. The total number of books bought in grade four is as much as that bought in grade three. How many people buy books in the fourth grade?
9. The workers repaired the road. Forty workers were originally planned, but 45 workers were actually used. The road is planned to be built for 90 days. How many days did it actually take?
10. Xiaohua needs 20 points to walk home from school and 10 points to ride home by bike. Xiaohua walks 45 meters every minute. How many meters does he ride a bike in each branch?
1 1. The school bought 15 boxes of colored chalk, each containing 50 pieces, and used 10 boxes. How many useless branches are left?
12. The first, second and third workshops of Haitian Machinery Factory each produce 6 boxes of parts, each box 120 pieces. How many pieces did a * * * produce?
13. One loom weaves 2 1 m an hour. How many meters do four identical looms weave in five hours?
14. The bus traveled from Nanjing to Shanghai at a speed of 60 kilometers per hour, and it took half the journey in three hours. Because one person in the car is ill, the rest of the journey will take 2 hours. How many kilometers per hour on average?
15. Master Liu processed 4,255 parts in 23 days, and Master Wang processed more than Master Liu every day on average 18. How many parts does Master Wang process every day?
16. A cow in Uncle Li's family eats 50 kg of grass 10 day. According to this calculation, how many days can 155 kg of grass feed this cow?
17. lakeside park cruise ship 18, daily income 1008 yuan. According to this calculation, there are now 26 cruise ships, how much income will be increased every day?
18. The factory has to process 360 parts, and Wang Can Jr. finished it in five days. How many parts can he process in eight days at this speed?
19. I read a story book, 20 pages a day, and I read half of it in 5 days. How many pages are there in this book?
20. The teacher bought six pens, which cost three times as much as ballpoint pens, and the price of ballpoint pens was 2 yuan. How much did the teacher spend on this pen?
2 1. A workshop of agricultural machinery factory is divided into three groups to process 3420 parts, with workers 12 in each group. How many parts does each worker process on average? (Solve in two ways)
22. The factory rents 10 vehicles to transport 480 tons of goods, and each vehicle transports 12 times. How many tons does each car transport at a time?
23. Woodpeckers can eat 645 pests a day, and frogs can eat 608 pests in 8 days. How many pests do woodpeckers eat more than frogs every day?
24. A pile of coal 160 tons, and four trucks carry 96 tons three times. According to this calculation, how many times can four trucks transport this pile of coal?
25. The construction team plans to pave a 90-meter road every day and finish it in 20 days. Actually, it only took 18 days. How many meters are paved on average every day?
When Qiang Qiang was 8 years old, his father was 32 years old. How old was his father when he was twice as old as Qiang Qiang?
27. Four classes in grade three of a school donated 576 yuan to the disabled, and each donated 3 yuan on average. How many people are there in each class on average?
28. Build a 324-meter-long road, 240 meters in the first 8 hours, and 2 1 meter per hour for the rest. How many hours will it take to complete?
29. It takes 15 yuan to book a TV program for half a year. Uncle Zhang wants to subscribe to a TV program for three quarters. How much will it cost? Cable TV viewing maintenance monthly 16 yuan. How much is it for the whole year?
30. A pile of coal is planned to burn 45 kilograms a day, which can burn for 32 days. Because of saving coal, it burned for 36 days. How many kilograms of coal are actually burned every day?
3 1. The school bought 5 boxes of badminton, each box 12. I spent 20, how many are left?
32. 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?
33. 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?
34. 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 four shelves?
36. Lily and Wang Min make 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?
37. Students take part in the mountain climbing competition, and the lesbian 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?
38. 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?
39. Which bottled oil is cheaper, a barrel of 3 kilograms of oil 42 yuan or a barrel of 5 kilograms of oil 65 yuan?
40. 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?
4 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?
42. 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?
43. 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?
44. 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?
45. The light blue height 134 cm, and the east thing is 5 cm higher than the light blue. How many centimeters is Dongdong tall?
46. 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?
47. 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?
48. 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?
49. Class 3 (2) donated 400 books, leaving 273 books. I have bought 125 books now. How many books are there in Class Three (2)?
50. 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.
5 1. The students of Dongfanghong Primary School donated 900 books for Project Hope, including 326 story books, 475 science books and the rest comic books. How many comic books are there?
52. The side length of a square is 8 cm. If its side length increases by10cm, how many centimeters will its perimeter increase?
53. The circumference of the rectangular playground is 400 meters, and its length is three times its width. What is the length and width of this playground?
54. 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?
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 3 (2). The teacher is going to divide them into eight groups for discussion. How many people can each group be divided into? How many people are left?
57. 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?
58. A baby elephant weighs 4 tons. How many elephants can a large truck with a load 10 ton transport at a time?
59. The original 632 bags of dry bottles were sold 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?
60. 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?
6 1. A train 10 originally had 1 16 passengers. 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?
62. A VCD costs 238 yuan and a scanner costs 458 yuan. Dad brought 800 yuan. Is it enough?
63. 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?
64. Xiaoming went to the bookstore with his sister. Her sister bought an English dictionary with 87 yuan, and Xiaoming bought a science book with 24 yuan. My sister paid the cashier 150 yuan. How much should I get back?
65. Make a picture frame 30 cm long and 26 cm wide. What is the circumference of the photo frame at least?
66. Make a big rectangle with two rectangles 4 cm long and 3 cm wide. What is the circumference of a big rectangle?
67. The playground of Xiangyang Primary School is rectangular, with a length of100m and a width of 65m. Xiao Qiang ran around the playground twice. How many meters did Xiao Qiang run?
68. There are 3/kloc-0 students and 2 teachers. Each ship is limited to four people. How many boats should I rent at least?
69. A pair of China chess 16 yuan, a pair of checkers 12 yuan, and a pair of Go is three times the sum of a pair of China chess and a pair of checkers. Xiao Ming takes 80 yuan, is it enough to buy a pair of Go?
The students proposed to donate 400 books to Hand in Hand School. 58 books were donated from grade one to grade six. How many books do I have to donate to reach 400?
7 1. Planting trees in spring. Plant 12 in the fifth grade and 16 in the sixth grade. The number of trees planted in the whole school is three times that of the fifth and sixth grades. How many trees have been planted in the whole school?
72. There used to be 30 students, but now there are 15 students. There are five students in a row. How many rows can they line up?
73. Make a square with a 36 cm iron wire. How long are the sides of this square?
74. If a rope is 25 meters long, cut off 10 meter first, and make a short jump rope every two meters for the rest. How many short jump ropes can you make? How many meters are left?
75. 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?
76. A rope is five times as long as 45 meters, and a wire is seven times as long as this rope. How long is this wire?
77. 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?
78. The supermarket sold 153 kg 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?
79. The fruit shop returned 54 baskets of fruit, 48 of which were apples and the rest were pears. How many times are baskets of apples bigger than pears?
80. A car travels 55 kilometers per hour. According to this calculation, how many kilometers can you drive in 4 hours?
32 white rabbits and 26 black rabbits were raised in 8 1. The number of grey rabbits is less than the total number of white rabbits 18. How many gray rabbits will you raise?
82. The road repair team has built a road, which has been repaired for 550 meters, and the rest is four times as much as it has been repaired. How many meters are left? How long is this road?
83. Mingming has 42 petrol tickets, Fangfang has more than Mingming 14. How many stamps do they have?
There are 24 Metasequoias on campus, and the number of pine trees is three times that of Metasequoias. How many Metasequoias and pine trees are there? How many Metasequoia trees are fewer than pine trees?
85. 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?
86. Aunt Wang went to buy three footballs, each 28 yuan, and paid the salesperson 100 yuan. How much did she get back?
87. 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?
88. 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?
89. 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?
90. If a rope is 25 meters long, cut off 10 meter first, and make a short jump rope every two meters for the rest. How many short jump ropes can you make? How many meters are left?
9 1. 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.
92. The fruit shop returned 650 Jin of apples, sold 385 Jin, and some returned 270 Jin. How many kilograms of apples are there in the fruit shop now?
93. The third-grade students of Hongxing Primary School took four buses for a spring outing. The first three carriages each carry 68 students, and the fourth carriage carries 74 people. How many people went for a spring outing?
94. An article is 600 words. Xiao Fang's father can type 67 words per minute on average. Can he finish it in 9 minutes?
95. There are 26 people on the playground. The number of runners is more than that of jumping 10. How many people can't run?
96. The supermarket sold 176 bags of rice in the morning, and sold 43 more bags in the afternoon than in the morning. How many packages did * * * sell on this day?
97. A metal wire is 84 cm long. How many centimeters are left after making a square frame with a side length of 16 cm?
98. The Children's Palace has 48 dance teams and 27 musical instruments, and the number of chorus teams is twice as large as the total number of dance teams and musical instruments. How many people are there in the choir?
99. There are 38 sweets, which are distributed to 7 children on average. How much per person? How much is left?
100. Cut off a rope of 19 meters, and make a short jump rope every 2 meters for the rest. How long can you jump rope and how many meters are left?
10 1. The TV screen is rectangular. Its width is 34 cm and its length is 10 cm. What's its circumference?
102. The length of a rectangular vegetable field is 75 meters, but its width is three times. What is the perimeter and area of this vegetable field?
103. A square vegetable garden was surrounded by a fence 24 meters long. What is the area of this vegetable garden?
104. A rectangular artificial skating rink, 25 meters wide and 2 meters short. What is the circumference and area of this skating rink?
105. The length of a basketball court is 26 meters and its width is twice as wide. What is the circumference of this basketball court? How many square meters does it cover?
106. Three laps around the playground of Zhuhuan Square * * * 1200m. How long is each side of the playground?
107. The rectangle is 8 cm long and 3 cm wide. How many centimeters must be added to make this rectangle into a square? How many square centimeters is the area of a square more than that of this rectangle?
108. There is a rectangular grassland, which is14m long and 9m wide. Now it is necessary to expand the grassland, with the length increased by 7 meters and the width increased by 3 meters. What's the area now? How many meters is the length of this grassland less than it is now?
109. There are 250 monkeys in the zoo, among which the male is 9 times as many as the female. How many male monkeys are there in the zoo?
1 10. Children of one grade line up. If they line up in a row of nine people, they can line up in 38 rows, leaving eight people. If there are eight of them in a row, how many rows can they row?
1 1 1. Children in three classes made toys, and one class made 48 toys for 15 kindergarten. The rest are evenly distributed to the first three classes of senior high school. How many can I get in each class?
1 12. At the sports meeting, Xiaoming jumped 297 ropes in 3 minutes and Xiaohong jumped 170 ropes in 2 minutes. Who jumps faster and faster in one minute on average?
1 13. A Story Club has 265 pages. Xiaoming plans to finish reading in 4 days, and Xiaohua plans to finish reading in 6 days. How many pages does Xiaoming read on average every day? Where is Xiaohua?
1 14. Uncle Li keeps 200 chickens. On the first day, he sold 128 chickens. On average, each chicken can be sold to 9 yuan. How much can Uncle Li sell this day? The remaining chickens are sold the next day, and every 8 chickens are packed in a cage. How many cages can you hold?
1 15. The fruit shop sent a basket of watermelons, one ***920, and each basket can hold 8 watermelons. There are 120 baskets now. Is it enough?
1 16. Xiaoming can type 279 words in 3 minutes and Xiaohua can type 432 words in 4 minutes. Guess who can type fast? If Xiao Ming typed an article and it took 5 minutes, how many words were there in the article?
1 17. The flower shop sent 600 lilies, roses and chrysanthemums. Four roses for every three lilies, and five chrysanthemums can be tied into a bunch. How many bunches can these flowers be tied into at most?
1 18.4 poplar seedling 48 yuan and three pine seedlings 63 yuan, which seedling is more expensive?
1 19. Teacher Zhang took 100 and went to the mall to buy three small footballs, and got back 7 yuan. Do you know how much each little football is worth?
120. Uncle Li has 82 cocks and 558 hens, and the number of chickens raised is five times that of ducks. How many chickens and ducks are there?
12 1. A road is 450 meters long and trees are planted on one side of the road. How many trees should workers plant every 5 meters? (Planting both ends)
122. A workshop in the clothing factory made 285 clothes from 8 am to 15 am. How many clothes do they make per hour on average?
123. Mark surnamed Zhao, when calculating a division, took the divisor 7 as 9, and the quotient became 14. Would you please tell him the correct answer?
124. Miss Wang spent 703 yuan on three books: Chinese, Mathematics and English. Chinese book, 6 yuan, 9 yuan. She bought a book of11. If the number of three books is the same, how much are English books?
125. The primary school starts in September 1, and the holiday time is1October 20th +65438. How many days are there in the whole semester?
126. Xiaoming eats fruit. He eats half the fruit in the fruit basket every day. On the fourth day, he found that there was only one fruit left after eating. How many fruits were there in the basket at first?
127. Xiaoming sees a formula as follows: 7□4÷8 Q: How many numbers are written in it, and the quotient is two digits?
128. There are five basketballs in the gym, and one shelf can hold six rows. Every three shelves occupy a sports room. How many sports rooms does it take to put 200 basketballs?
129. The children picked apples, five people picked them for seven days, and one * * * picked 735 Jin of apples. How many kilograms does each person pick every day?
130. Children line up to take the bus, Xiao Zhao is on the 54th, and Xiao Liu is on 138. Each bus has six seats. Which bus are they on?
13 1. A dress 158 yuan, a pair of pants 165 yuan. All clothes are sold at half price. How many clothes can mom buy with 900 yuan?
132. There are 5 cowsheds in the cattle farm, and each cowshed has 6 cows. Each cow eats18kg of grass on average every day. How much grass did these longicorn beetles eat?
133. Class 4, Grade 3 bought the following items with the 200 yuan class fee: skipping rope 4 yuan, football 9 yuan and checkers 6 yuan. Sorry, the money has run out. What's your plan?
134. Buy everything in the above question. The more things you buy, the better. Please list your plan?
135. In the above question, if you want to buy at least 10 football and then buy as many checkers as possible, and you have to spend all your money, how many checkers can you buy at most?
136. June 25th of a certain year is Wednesday. What day is July 12 this year?
137. Children can recite three words every day. How many words can they remember in the first quarter of 2008?
138. Three children asked each other about their birthdays. Xiao Qiang said that my birthday was the first in this century. Xiao Ming said that we are the same age, but I have only had two birthdays so far. Xiaohong said that I was in the same year as you, and the day after giving birth was Children's Day. What year, month and date are their birthdays?