1. To transport 29.5 tons of coal, transport it three times by a truck with a load of 4 tons, and transport the rest by a truck with a load of 2.5 tons. How many times will it take to complete?
2. The trapezoidal site covers an area of 90 square meters, with an upper bottom of 7 meters and a lower bottom of 1 1 meter. How high is it?
A workshop plans to produce 5480 parts in April. It has been in production for 9 days, and 908 more are about to complete the production plan. How many pieces will be produced on average every day in these 9 days?
4. Two cars, Party A and Party B, are driving in opposite directions from two places 272km apart. Three hours later, the distance between the two cars is still 17km. A travels 45 kilometers per hour, and B travels how many kilometers per hour?
5. There are two classes in grade six in a school, and the average score of mathematics last semester is 85. There are 40 students in six classes (1) with an average score of 87. 1. There are 42 students in Class Six (2). What is the average score?
6. Party A and Party B walk in opposite directions from the same place at the same time. After 3.5 hours, the distance between them is 38.5 kilometers. A walks 5 kilometers per hour, and B walks how many kilometers per hour?
7. Five footballs are 62.5 yuan more expensive than five volleyballs. It is known that each volleyball costs 52.5 yuan. How much is each football?
8. A batch of coal can burn 3.6 tons every day for 30 days. If it burns 2.4 tons a day, how many days can it burn?
9. A football is 46.8 yuan, which is three times cheaper than a volleyball. 1.2 yuan, what is the price of a volleyball?
10. There are 270 apple trees in the orchard, which is three times less than that of pear trees. How many pear trees are there?
1 1, Aunt Wang bought 1 1 thermos, paid 200 yuan and found 35 yuan. How much is each thermos?
12, the circumference of a rectangle is 35 meters, the length is 12.5 meters, and how many meters is its width?
13. Wang Jun in Li Minghe has 54 stamps, and the number of stamps in Wang Jun is twice that of Li Ming. How many stamps are there in Wang Jun, Li Minghe?
14, two bags of rice * * * weight 104 kg, the weight of bag a is three times that of bag b, how many kilograms are two bags of flour?
15. It costs 8860 yuan to buy a computer and a color TV. As we all know, the price of a computer is twice that of a color TV. How much is a computer and a color TV?
The students planted trees. A total of 560 trees were planted in the fifth and sixth grades. The number of seed plants in grade 6 is 0.5 times that of grade 65438+5. How many trees have been planted in each grade?
17, two bags of flour * * * 88kg, the weight of bag A is three times that of bag B, how many kilograms are there in each bag?
18, two bags of flour, A is 34 kilograms heavier than B, A is three times as heavy as B, how much is each bag?
19. Young pioneers picked 18 baskets of apples in the orchard in the morning, which was less than that in the afternoon 100 kg. In the afternoon, they picked 22 baskets. What is the average weight of each basket?
20. In June this year, 5438+ 10, Li Ming's household electricity consumption was 13 1 kwh, Wang Qiang's household electricity consumption was 120 kwh, and Wang Qiang's family paid less for electricity, 5.5 yuan. How much is the average electricity per kilowatt hour?
2 1. There are some people on the bus, then 25 people get on, and then 8 people get off. There are 34 people left at this time. How many people are there on the bus?
22. Uncle Wang is going to enclose a rectangular chicken farm with a 400-meter fence. If the length is three times the width, how many meters is the length and width of this chicken farm?
Uncle Wang is going to enclose a rectangular chicken farm with a 400-meter-long fence. If the length is 80 meters longer than the width, what is the length and width of this chicken farm?
24. A total of 360 trees were planted in the third and fourth grades, of which the number of trees planted in the fourth grade was more than twice that of the third grade, with 30 trees. How many trees were planted in the third grade?
25. The number of monkeys in the zoo is six times that of pandas, and there are 30 more monkeys than pandas. How many monkeys and pandas are there respectively?
26. The price of a pen is four times that of a ballpoint pen. Miss Li bought a pen and five ballpoint pens and spent 12.6 yuan. What is the unit price of pens and ballpoint pens?
27. The "Oriental Pearl" TV Tower in Shanghai is 468 meters high, which is 3 meters more than 3 1 times that of an ordinary residential building. How many meters is this ordinary residential building?
28. Dad's age is 3.7 times that of Xiaoming, who is 27 years younger than his father. How old are Dad and Xiaoming?
29. Xiao Ming bought five diaries and used 5.8 yuan more than 1 story book. As we all know, the price of a story book is three times that of a diary. How much is a diary?
30. The circumference of a rectangle is19.4m. The length is less than twice the width by 0.8m.. How many meters is the length and width of this rectangle?
3 1. The distance between the two places is 660 kilometers. Car A travels 32 kilometers per hour and car B travels 34 kilometers per hour. Two cars leave from two places at the same time, face to face. How many hours did they meet?
32. Xiaodong and Xiaoying walk away at the same time. Xiaodong walks 50 meters per minute and Xiaoying walks 45 meters per minute. How many minutes later, they are 285 meters apart?
33. Two trains leave from cities A and B at the same time. The local train is 60 kilometers per hour and the express train is 80 kilometers per hour. The distance between the two cities is 770 kilometers. How many hours after the departure of the two trains, is the distance still 2 10 km?
34. The distance between Party A and Party B is 480 kilometers. Buses and trucks leave from Party A and Party B respectively at the same time. The bus travels 70 kilometers per hour and the truck travels 50 kilometers per hour. How many kilometers did the two cars travel when they met?
A car and a motorcycle are driving in opposite directions from A and B, respectively. The distance between the two places is 500 kilometers. The motorcycle leaves at 8: 00 a.m. with a speed of 40 kilometers per hour. The bus leaves at 10 in the morning, with a speed of 60 kilometers per hour. When can two cars meet?
36. An express train and a local train leave from two places 630 kilometers apart at the same time and meet in 4.5 hours. The express train is 78 kilometers per hour, and how many kilometers per hour is the local train?
37. Two cars, Party A and Party B, are driving in opposite directions from the same place at the same time. Four hours later, the distance between the two cars is 300 kilometers. It is known that car A travels 40 kilometers per hour, and how many kilometers does car B travel per hour?
38. The distance between the two places is 480 kilometers, and two trains, A and B, start from a certain place at the same time. After a four-hour meeting. It is known that train A is 8 kilometers slower than train B every hour. How many kilometers per hour are these two trains?
39. The school bought 18 basketballs and 20 footballs, and * * * paid 490 yuan 14 yuan for each basketball. How much is each football?
40. Mentoring 15 days to complete 465 parts. Master makes 18 pieces every day. How many pieces does the master finish than the apprentice every day?
4 1, with a distance of 400 meters. Two people start from two places at the same time and go in opposite directions. Five minutes later, they were 960 meters apart. A walks 50 meters per minute, and B walks how many meters per minute?
42. Two cars, A and B, leave from two places at the same time. Car A travels 50 kilometers per hour, and after three hours, it has passed the midpoint of 30 kilometers. At this time, the distance between car A and car B is still 6 kilometers. How many kilometers does bus B travel per hour?
43. Two construction teams, Party A and Party B, dig tunnels together. 15 days * * * dug 2070 meters, team A dug 65 meters every day, and team B dug how many meters every day?
44. Two construction teams, A and B, cooperate to dig tunnels. After digging 15 days, Team A dug 120 meters less than Team B, and Team A dug 65 meters every day. How many meters does Team B dig every day?
45. Two construction teams, A and B, cooperate to dig tunnels. Team A digs 65 meters every day, while Team B digs 73 meters every day. How many days after laying, Team A laid less120m than Team B?
46. The grain depot contains 64 tons of rice, which needs to be transported to a certain place at one time. Each big truck is loaded with 5 tons, and each small truck is loaded with 3 tons. At present, there are 8 large trucks. How many small trucks do you need?
47. The distance between A and B is 420 kilometers. A car travels from place A to place B at a speed of 60 kilometers per hour. After driving 240 kilometers, it met another car from B. If the bus from B to A runs at 40 kilometers per hour, do you think these two cars leave at the same time?
48. Team A and Team B jointly built a 63.2-kilometer road. After 7 days of collective meditation, the rest was completed by team B at the original speed of 3.4 kilometers per day, and it took another 5 days. How many kilometers does Team A build every day?
49. There are 106 households with telephones in Huacun, two more than the original 13 households. How many families have telephones?
50. Make a rectangle with the length of 120 cm and the length of 1.5 times the width. What's its width?
1. The students went to listen to the scientist's report. There are 264 students in Grade Four and Grade Five, and the number of students in Grade Five is 1.2 times that of Grade Four. How many people went to each of the two grades?
There are peach trees and apple trees in the orchard *** 125 1. The number of peach trees is 3.5 times that of apple trees. How many trees are there in each tree?
The number of literature books in the corner of the class library is four times that of science and technology books. There are more literature books than science books 105. How many literature books and science books are there respectively?
4. The circumference of a rectangle is 1 12cm, and its length is three times its width. How many centimeters is the length and width of this rectangle?
5. Circle a rectangle with 72 cm long iron wire, so that its width is half of its length. How many centimeters is the length and width of this rectangle?
6. Basketball, football and volleyball have 120. The number of basketball is twice that of football, and the number of volleyball is three times that of football. How many footballs are there?