3. The 180 Young Pioneers of Yu Ying Primary School help the military families to do good deeds. These young pioneers are divided into five teams on average, and each team is divided into four groups of activities. How many young pioneers are there in each group on average?
4. The school is going to distribute exercise books to class 12, each class 144 copies, and the whole school will keep 40 copies for later use. How many exercise books should schools buy?
5. Uncle Wang set out from the county seat to send fertilizer to Wangzhuang Township. When you go, the speed is 40 kilometers per hour, you arrive in 3 hours and return in 2 hours. How far is it from the county seat to Wangzhuang Township? How many kilometers per hour did you average when you came back?
6. The rice sold by a grain store in three days is 430 kg, 380 kg and 407 kg respectively. How many Jin of rice does this grain store sell in 30 days?
7. Long-distance buses travel 908 meters per minute, while passenger ships travel 358 meters per minute. Travel separately 1 hour. How many kilometers do long-distance buses travel more than passenger ships?
8. A car traveled 260 kilometers in 4 hours. At this speed, how many kilometers can 12 hour travel?
9. The length of the railway line from Changchun to Jinan is1375km, and the speed of the train from Changchun to Jinan is100km. It takes three hours for the train to leave Changchun and pass through Shenyang Station. How far is Shenyang from Jinan?
10, a football field is108m long and 40m wide. What is the area of this football field?
When 1 1. Xiaojin is multiplied, take one of the factors 2 1 as 12, and the product obtained is less than the correct product 1 107. What should the correct product be?
12,206 students went for a spring outing, each of whom needed 58 yuan. Please calculate how much money Yuan You needs to prepare.
13. A dripping faucet drips an average of 28 kilograms a day. According to this calculation, how much water will be wasted in a month (calculated by 30 days)? If the water fee is per ton of 4 yuan, how much money is wasted in one month?
14, Uncle Liu brought 700 yuan to buy fertilizer. I bought 16 bags of fertilizer, and 60 yuan was left. What's the price of each bag of fertilizer?
15. It takes 1 14 minutes for the first man-made earth satellite launched by China to orbit the earth once, and how many minutes does it take to orbit the earth 59 times? Is it longer or shorter than 5 days?
16, Liu Xing walks 75 meters every minute from home to school, and it takes 12 minutes to get to school. But today, Liu Xing left home a little late. In order to avoid being late, he must walk 90 meters every minute. How long will it take him to go to school today?
17, Uncle Zhang spent 240 yuan to buy 80 Jin of bananas and sold 60 Jin at the price of a Jin of 4 yuan. How much did Uncle Zhang earn by selling the rest to 3 yuan a catty?
18. Processing 272 parts, 36 parts per hour, and Master Wang processing 32 parts per hour. How many hours will it take them to finish all the work together?
19, a frog can catch about 75 pests a day, a woodpecker catches about 15 fewer pests than a frog, and a frog catches 12 pests a day. How many days does it take woodpeckers to catch them?
20. Peanut sugar per kilogram 17 yuan, corn sugar per kilogram1yuan, sorghum sugar per kilogram 14 yuan. Take the same weight of these three kinds of sugar and mix them into assorted sugar. How many kilograms can I sell to get an operating income of 378 yuan?
2 1. An experimental class bought 400 notebooks and distributed them to the students in the class equally. If each person is divided into five books, the remaining 25 books, if each person is divided into six books, there will be a difference of 50 books. How many students are there in this class?
22. The school organizes visits to museums. The bus is limited to 40 people and the car is limited to 7 people. There are 8 12 students in our school. How should I rent a car?
23. The school should give each of the third and fourth grade students a composition guidance book. 12 yuan. It is known that there are 145 students in grade three and 155 students in grade four. How much are the books for these two grades?
24. Students should make 120 flowers, each with 5 flowers. Each group 12 people. How many groups of students do you need to make it?
25. The distance between A and B is 500 kilometers. Car A travels from B to A for 6 hours, and there is still 140 kilometers from A. How many kilometers does this car travel per hour on average?
26. Teacher Wang leads the students to plant trees together. He divided the students into four groups, each group had 12 students, and the students planted 336 trees. How many trees have each person planted?
27. The area of a rectangular green space is 560 square meters. The length is unchanged, and the width is increased from 8 meters to 24 meters. What is the area of this green space after expansion?
28. One side of the parallelogram is12cm, and its adjacent side is 2cm shorter than it. What is the circumference of this parallelogram?
29. The upper bottom of the isosceles trapezoid is 2 cm, the lower bottom is 4 cm, and its circumference is 12 cm. How many centimeters is the waist of isosceles trapezoid?
30. Xiaolin's orchard harvested 3 10 Jin of pears this year, and the apples harvested were 19 times that of pears. How many kilograms of apples and pears were harvested?
3 1. Eggs collected in Asian chicken farm on Monday spring, one box 18kg, and after eight boxes, the remaining 16kg. How many kilograms of eggs were collected on Monday?
32. The average length of the Liu Ningyi walk is 62 cm. He walked 252 steps from one end of the playground to the other. How long is the playground?
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?
34. Xiaoming has 124 candy, and his sister has 20 candy. Xiaoming wants his sister to have as much sugar as he does. How many times does he need to take out 13 from his sugar jar and put it in his sister's sugar jar?
35. Museum admission price: 60 yuan for adults, 30 yuan for children and 45 yuan for groups (above 65,438+00).
(1) If six adults and four children come to visit, what is the most cost-effective way to buy tickets?
(2) If four adults take six children to visit, what is the most cost-effective way to buy tickets?
(3) If five adults and five children come to visit, what is the most cost-effective way to buy tickets?
36. A story book has 252 pages. It took Zhichun 18 to finish. Qing Xue reads 8 pages more than Zhichun every day. How many days can Qing Xue finish reading this book?
37. During the New Year's Day, the bookstore held promotional activities. How many copies can I buy for each book "100,000 Why"? The original price is 35 yuan, and the current price is 28 yuan. Miss Li brought money from 200 yuan. How much money is left?
38. The road construction team built a1050m highway, which was originally planned to be completed in 50 days. In fact, it builds 9 meters more every day. How many days did it actually take?