2.*** There are 200 pupils, divided into 5 teams, and each team is divided into 8 groups. How many people are in each group?
3. Buy 750 books and put them in 5 cabinets, each with 3 floors. How many books are there on the first floor?
4. How many bugs does a titmouse eat in April (30 days)?
Shao Shao ran three times a day for 400 meters. He ran for five days. How many meters did he run?
6. A car ran 960 meters in 8 hours. When it came back, it ran at the same speed for six hours. How many meters did it take to return?
The distance between a and b is 465 kilometers. A car travels from A to B at 60 kilometers per hour, and then accelerates to 15 kilometers per hour. It takes * * * seven hours to get to B. How many hours did you drive at 60 kilometers per hour?
2. There are several chickens and rabbits in the cage, which are *** 100 feet. If the chicken is replaced by a rabbit and the rabbit is replaced by a chicken, it will have 92 feet. How many rabbits and chickens are there in the cage?
3. Spiders have eight legs, dragonflies have six legs and two pairs of wings, and cicadas have six legs and 1 pairs of wings. Now these three kinds of bugs have 18, 1 18 legs and 20 pairs of wings. How many bugs are there in each species?
4. In the activity of learning from Lei Feng, students * * * did 240 good deeds, college students each did 8 good deeds, and primary school students each did 3 good deeds, with an average of 6 good deeds. How many pupils took part in this activity?
5. A class of 42 students participated in tree planting, with an average of 3 trees planted by boys and 2 trees planted by girls. It is known that boys have 56 more trees than girls, and the sum of men and women is 1. The farm tool factory will produce 20,640 small farm tools, half of which will be completed in 120 days. How many pieces are produced on average every day? A shoe factory produced 3860 pairs of men's shoes, twice as many as women's shoes. How many pairs of women's shoes were produced?
3. To build the canal, 840m has been built, and120m has not been built. How many times have you repaired it?
4.38 militiamen practiced shooting, and one hit the ring of 1026. How many times did each militia fight on average?
The railway from Nanjing to Jinan is 540 kilometers long. A train leaves from Nanjing and arrives in 9 hours. How many kilometers does this train travel per hour on average?
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?
7. The speed of the car going up the mountain is 36 kilometers per hour, it takes 5 hours to reach the top of the mountain, and it only takes 4 hours to go back when going down the mountain. How many kilometers does the car travel per hour on average?
8. The experimental primary school should buy a book 12 yuan for each of the third and fourth grade students. It is known that there are 145 students in grade three and 155 students in grade four. How much are the two grades?
9. Bouquet 30 yuan, buy 5 bouquets and get one free. Aunt Wang buys five strings at a time. How much cheaper is each bundle?
10. Each 12 kg of coal can generate 24 kWh of electricity. If a factory saves 1440 kg of coal every day, how many kwh of electricity can it generate?
1 1. Wuhan battery factory can produce 2400 batteries a day, and every 600 batteries can be packed in a box. How many boxes of batteries can be produced this day?
12. The road between A and B is 270 kilometers long. How many hours does it take for a car to complete the journey at a speed of 45 kilometers per hour?
13. On one side of the playground, put a red flag every 5 meters. From end to end, insert 13. How long is one side of the playground? (5 points)
14. The store delivered 43 baskets in the morning and 28 baskets in the afternoon, with an average of 52kg per basket. How many kilograms of oranges did this shop deliver?
15. There are 45 people in two classes in Grade Three, and one * * * cuts vegetables 8 10 kg. How many Jin of vegetables does each student cut on average?
16. The school plans to buy 25 computer desks and 25 swivel chairs. 750 yuan for each computer desk and 250 yuan for each swivel chair. The school has prepared 24,000 yuan. Is it enough?
17. An elephant weighs about 5408 kilograms, which is 208 times that of a monkey. How much does this monkey weigh? (Answer in two ways)
18. The school shipped 1200 seedlings. If we plant 24 trees per row, how many rows can we plant? (Answer in two ways)
19, 523 teachers and students of the whole school participated in tree planting. If 70 people are divided into a group, how many groups can they be divided into at most?
20. Enter a 466-word article by computer. Red can input 60 words per minute, and Congcong can finish it in 7 minutes. Who can get into it faster?
2 1. Uncle Wang's orchard harvested 358 Jin of apples, 270 Jin of pears and 0/96 Jin of plums. Apples are 40 kg per box, pears are 30 kg per box and plums are 20 kg per box. Calculate: How many cartons are needed to hold these fruits?
22. Plant trees along the road with a length of 180m, and plant a tree every 20m. How many trees does a * * * need to plant?
23. Is it enough for eight of us to buy tickets with 260 yuan money? How many methods can you work out? )
24. The car runs at 18m per second, with a length of 18m and a tunnel length of 324m. How long does it take for this car to pass through the tunnel?
25. Chunguang Grain and Oil Company wants to export 680 tons of grain. How much do you need if you use a 22-ton container? How many 17 ton containers do you need?
26. The length of the highway from Shijiazhuang to Chengde is 546 kilometers. If the Honghong family drives an average of 78 kilometers per hour and leaves at 8 am, when can they drive from Shijiazhuang to Chengde to visit the summer resort?
27. A rectangular vegetable field is 9 meters long and 6 meters wide. This vegetable field receives 972 kilograms of vegetables. How many Jin of vegetables do you collect per square meter on average?
28. Shanghai Oriental Pearl TV Tower is the tallest TV tower in Asia, with a height of 468 meters. The first floor 12 floor is 39 meters high. The height of the TV tower is equivalent to the height of several 12-story residential buildings.
29. Grandpa Wang's four cows produce 896 kilograms of milk every week. How much milk does an average cow produce every day/kloc-0?
30. Four vehicles transported 960 bags of cement three times. How many bags of cement does each car transport at a time?
3 1, (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?
32. Xiaohong bought 2 boxes of mung bean cakes, each box 1 kg. There are 20 pieces in each box. How many grams does each piece weigh on average?
33. A bus started from Zhang Cun. If you drive at 60 kilometers per hour, you can reach Lizhuang in 4 hours. As a result, it only takes 3 hours. How many kilometers does this bus actually travel per hour on average?
34. Baita Village plans to build a canal. If16m is built every day,18m can be completed. It was built 24 meters on the first day. According to the progress of the first day, how many days can it be completed?
35. 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?
36. A pack of A4 copy paper, 25 sheets a day, is just used up in 20 days. How many days can I use if I use five fewer cards every day?
37. A professional beekeeper raised 24 boxes of bees this year. Last year, 5 boxes of bees brewed 375 kilograms of honey. According to the amount of honey brewed last year, how many Jin of honey can be brewed this year?
38. Dongdongjia raised 135 trees on 15 square meters of land. According to this calculation, how much land is needed to raise 990 trees?
39. Hongshicun Primary School waters trees in six groups. There are four people in each group, and each group waters 360 trees. 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?
4 1. The average speed of a train before speed increase is 7 1 km, and it takes 12 hours 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?
42. 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 she make in 15 days?
(2) How many days does it take to make 120 sets of children's clothes?
43. The coach from Beijing to Qingdao passes through Tianjin and Jinan. Left Beijing at 6: 30 in the morning, with an average speed of 85 kilometers per hour. When does it arrive in Qingdao?
137km； From Beijing to Tianjin; 360km from Tianjin to Jinan; Jinan to Qingdao is 393 kilometers.
44. 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?
45. 125 male students and 1 19 female students were led by three teachers to visit the history museum. During the visit, they can only enter in batches, with a maximum of 50 people allowed at a time. How many batches at least?
46. A story book has 448 pages. Obviously, it took 16 days to read it. Fangfang reads 4 pages more than Mingming every day. How many pages does Fangfang read every day?
47. In order to carry out sports activities, the class pays for playing basketball and volleyball. It is known that it costs 16 1 yuan to buy three basketballs and two volleyballs. If you spend 245 yuan to buy three basketballs and five volleyballs, how much is a basketball? How much is a volleyball?
48. Mingming is a child who loves learning. He does some oral arithmetic problems every day except Sunday. If he does 300 words a week, according to this calculation,
(1) How many courses can I do in three weeks?
(2)650 questions can be completed in a few days?
49. A titmouse can eat about 800 pests in five days. According to this calculation, how many pests can a titmouse eat in a month? A month is 30 days.
50. A bus travels for 3 hours 174 km. At this speed, how many kilometers can 12 hour travel?
5 1. Grandpa Zhang bought three lambs and spent 75 yuan. He wants to buy five more lambs. How much will it cost?
54, 5 boxes of bees can brew 375 kilograms of honey a year. Kobayashi keeps 12 boxes of such bees. How many Jin of honey can you brew a year?
55. 180 Young Pioneers from Yu Ying Primary School helped military families to do good deeds on "Love Day". These young pioneers are divided into five teams on average, and each team is divided into four groups. How many young pioneers are there in each group on average?
56. Uncle Liu took 700 yuan to buy fertilizer, bought 16 bags of fertilizer, and left 60 yuan. What's the price of each bag of fertilizer?
57. Eggs collected on Monday in Chunya Chicken Farm, one box 18kg. After eight cases are packed, there is still 16kg left. How many kilograms of eggs were collected on Monday?
58. Uncle Wang drove from the county seat to Wangzhuang to deliver fertilizer. It took him three hours to go there at a speed of 40 kilometers per hour, and only two hours to come back. How many kilometers does he drive per hour on average?
59. A coach traveled for two hours on the plain and two hours in the mountains, and finally reached the top of the mountain. It is known that long-distance buses travel 50 kilometers per hour in plain areas and 30 kilometers per hour in mountainous areas. How long will this trip take?
60. The school should add two new books to the library, each with three sets. Every known encyclopedia for children 125 yuan, and every mathematical conjecture 18 yuan. * * How much is it?
6 1. The school is going to issue exercise books to class 15, each class 144 copies, and 40 copies should be reserved for later use. How many exercise books should schools buy?
62. One seedling 16 yuan, buy three trees and get 1 tree. How much cheaper is it to buy three trees at a time?
63. Shampoo per bottle 15 yuan. The mall launched a promotion campaign. Buy 2 bottles and get 1 bottle. Buy two bottles at a time. How much cheaper is each bottle?
64. The school has built a new flower bed with a length of 35 meters and a width of 15 meters. If you can plant 15 roses per square meter, how many roses can you plant in this flower bed?
65. An elephant in the park eats 350 kilograms of food a day. The breeder has prepared 5 tons of food, enough for the elephant to eat for 20 days?
66. There are 1028 students in a school, 189 sixth-grade graduates and 208 freshmen. How many students are there in the school now?
67. Xiao Chen took the divisor 30 as 36 when calculating the division formula, and the calculated quotient was 5. What should be the correct result?
68. Plant 75 peach trees along the circular pond, and plant 2 pear trees between every two peach trees. How many pear trees can you plant?
69. There are two types of vans, A can take 12 people, and the rent for each van is 120 yuan; B It can take 18 passengers, and the rental for each van is 160 yuan. How can a tour group rent 58 people to save the most money?
70. In order to celebrate New Year's Day, the pedestrian street is covered with lanterns. From one end of the street to the other, a red lantern is hung every 10 meter (both ends are hung). The pedestrian street is 600 meters long. If red lanterns are hung on both sides of the street, how many red lanterns will a * * hang?
7 1. There are two baskets with the same number of apples. Take 12 apples from the first basket and put them in the second basket. At this time, the number of apples in the second basket is three times that in the first basket. How many apples do Party A and Party B have?
72. There are 1 poplar trees every 5 meters along the road. If Xiaoping drives for 3 minutes and sees 12 1 poplar, how many meters does the car travel per hour?
What is 73.4794 47 times? The number A is 850, which is 50 less than the number B. What is the number B?
74. I bought some rice in the canteen, ate 240 Jin, and there was 160 Jin left. How many kilograms of rice did I buy?
75. Grade four 1 15 people went for an autumn outing. The bus is limited to 44 people per car, and the rent per car is 50 yuan; The minivan is limited to 9 people per vehicle, and the rent per vehicle is 12 yuan. Can you design a reasonable and economical car rental scheme? (Write down your plan)
76. Grandpa is 72 years old, which is exactly six times Xiaodong's age. How old is Xiaodong this year?
77. What is the side length of a square pool with a circumference of 240 decimeters?
73. This garment factory has produced 7,600 shirts and garments, five out of every four shirts and garments. The binding team has bound a batch of books.
Booked 48 hours, bagged, packed in a box every 25, one * * * can bind 400 per hour on average.
Ben, how many cases are there every hour? How many hours does it take to bind 600 copies?
74. A workshop planned to produce 700 parts in 25 days, but actually produced 35 parts every day. At this rate, can the task be completed on time? Please elaborate.
75. A total of 328 fifth-grade students from Chengguan Primary School visited the agricultural science and technology demonstration park, of which 48 have already gone. How many minibuses are needed for every 20 minibuses?
76. The school planted some potted flowers. If you put three pots in each classroom, you can put 24 classrooms. If you put four pots in each classroom, how many classrooms can you put?
Thirty-six students and two teachers from Class Four (2) visited the park.
(1) before them, there was a family of three (two adults 1 child) who bought tickets with 38 yuan. Known adult ticket 1 ticket 15 yuan. Do you know how much a child ticket 1 ticket costs? (3 points)
(2) Now the teachers take out 300 yuan to buy tickets. Is that enough? (Answer after calculation) (3 points)
78. 220 trees should be planted in the fourth and fifth grades. There are 3 classes in Grade 4, and each class plants 28 trees. The rest are assigned to four classes in Grade Five. How many trees are planted in each class on average?
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?
80. Young Pioneers planted 882 willows, four times as many as poplars. How many poplars have been planted?
8 1. There are 6300 grams of saplings in the nursery. How many rows can a row of 70 trees hold? How many rows can one row hold for every 700 trees?
82. The 288 students in Grade Four should be divided into three teams on average, and each team should be divided into 12 groups. How many people are there in each group on average?
83. A bus travels for 3 hours 174 km. At this speed, how many kilometers can 12 hour travel?
Draw an angle of 135 degrees with 84 sets of triangles. (The picture shows which angles are put together. )
The construction team wants to build a bridge from point A to the other side of the river. How to build a bridge in the shortest way? Draw a line.
86. Class 4 (1) has 52 students, Class 4 (2) has 5/kloc-0 students, and Class 4 (3) has 49 students. How many students are there in each class on average?
87. I have been reading a 200-page story book for three days, reading 35 pages a day. How many pages are left?
88. A batch of rice * * * 550kg has arrived in the canteen, and it is planned to be eaten in 15 days. If you eat 87 kg in three days, will this batch of rice be enough?
89. The waterway between Port A and Port B is 504 kilometers long. Xiaoming departs from place A at 7: 00 in the morning and arrives at place B at 9: 00 in the evening. How many kilometers does this passenger ship sail every hour on average?
90. The supermarket sent five boxes of bananas and sold 56 kilograms, leaving 34 kilograms. How many kilograms does each box of bananas weigh?
9 1. A carton can hold 35 kilograms of oranges. Now there are two piles of oranges, one is 1 14 kg and the other is 166 kg. * * How many cartons do you need to prepare? (5 points)
92. Xiaoping has 48 books, three times as many as Xiaogang. How many books does Xiaogang have? (List the equations with unknowns before solving them)
93. Party A and Party B start from two places at the same time. Party A walks 65 meters per minute and Party B walks 50 meters per minute. After 9 minutes, it's still 20 meters apart. How many meters are the two places apart?
94. A pile of goods is transported by car. The original plan is to transport 120 tons per hour, and the transportation can be completed in 9 hours. It's actually 90 tons per hour. How many hours can it be shipped?
95. Students plant trees with 24 trees in each row, which is exactly 6 rows. If there are 6 fewer trees in each row, how many rows do you need to plant?
96. There are 250 boys in a primary school, and 100 girls are twice as few as boys. How many more girls are there than boys in this school?
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? How much can a one-way ticket to 20 yuan earn?