2. A clothing workshop used to make a set of 48 decimeters of clothing cloth, but with the new method of cutting, each set can save 3 decimeters of cloth. Originally planned to make 3000 sets of clothing fabrics, how many sets can you make now?
3. A chicken farm shipped 1 month13,600 broilers, which was twice as much in February and 800 fewer in March than in the previous two months. How many broilers were shipped in March?
4. Plan to produce a batch of parts. Master Wang produces 90 pieces every day, which takes 12 days to complete. Results 18 was produced more than originally planned every day, which could be completed several days in advance.
5. Four baskets of tomatoes * * * weigh 80kg, and five baskets of vegetables * * * weigh 125kg. How many kilograms is a basket of vegetables heavier than tomatoes on average?
6. The canteen delivered coal 1200 kg, burned it 16 days, and there were 480 kg left. How many kilograms does it burn on average every day?
7. 430 students from Xincun Primary School took five buses to visit the countryside. The first four carriages each carry 84 people. How many people does the fifth car need to take to ensure that all of them get on?
8. The school library bought *** 1020 storybooks, including 850 storybooks. How many story books are there than science books? How many times are story books more than science books?
9. Honghua Garment Factory has been making a batch of school uniforms for 12 days, with an average of 1450 pieces per day, which is still short of 109 pieces. How many pieces do you want to make?
10, a professional poultry farmer raised 890 ducks, and the number of chickens was three times less than that of ducks. 15. So, how many ducks and chickens does this poultry professional keep?
1 1. Xiaohua has 84 stamps, Xiaorong has more 18 stamps than Xiaohua, and Xiaomei has 4 1 stamp less than Xiaorong. How many stamps does Xiaomei have?
12. There is a batch of chemical fertilizers in the factory, and 84 bags of 60 kg each have been filled, leaving 1860 kg. If this batch of fertilizer is shipped in three equal shipments, how many kilograms will each shipment be?
13, a road construction team, built a 5600-meter-long highway, which has been built for 12 days, with 800 meters left. How many meters are repaired on average every day? How many days will it take to repair this highway?
14. A basket of oranges weighs 26 kilograms. Half of the oranges were sold, and the basket weighed 14 kg. How many kilograms are there in oranges and baskets?
15. Three elephants in the zoo eat 1620kg food every day and one panda eats 120kg food for five days. How many kilograms of food does an elephant eat more than a panda every day?
16. A hotel receives a group of guests. If there are two people in each room, only 36 rooms are needed. If there are 3 people in each room, how many rooms can we use less?
17, the clothing company plans to produce 1275 sets of school uniforms in 25 days and 195 sets in the first five days. To complete the task within the original planned days, how many sets will be produced on average every day?
18. The refrigerator factory originally planned to produce 50 refrigerators every day, which can be completed within the scheduled time. Actually, 60 sets are produced every day, and the task is completed three days ahead of schedule. How many refrigerators are there in this batch?
19. The garment factory plans to produce 75 sets of drum team clothes every day, which took 24 days, 200 sets more than originally planned. So, how many sets were originally planned to be produced?
20. Students in Grade Four planted 400 trees, while students in Grade Five planted 68 trees, which was twice as few as that in Grade Four. How many trees were planted in Grade Four and Grade Five?
2 1, the speed of the local train is 64 kilometers per hour, and the speed of the express train is 96 kilometers per hour. It takes 12 hours for the local train to get to bilibili, and how many hours does the express train take? How many hours less than the local train?
22. Xiao Li wants to produce 3000 parts. In the first four hours, he produced 1200 parts. According to this calculation. How many hours will it take to complete these tasks?
23.5 cows eat 800 kilograms of grass in 8 days. According to this calculation, how many Jin of grass does 15 cattle eat in 20 days?
24. You can buy 16 pencils if you go to the stationery store to buy the same pencils. If he buys a pencil for ten cents, how many more can he buy?
25. I read a 280-page story book. On the first day, I read 36 pages, 6 pages less than the next day. On the third day, the number of pages read was twice that of the first day, 10 pages. How many pages are left after reading for two days?
26. 900 kilograms of cucumbers were shipped from the market, and the kilograms of cucumbers were four times less than those of pumpkins 100 kilograms. How many kilograms of cucumbers and pumpkins were delivered?
27. The rectangular playground was originally 60 meters long. After the expansion, the length increased by 15 meters, the width increased by 8 meters, and the area increased by 1275 square meters. Q: How wide is the playground?
28. Party A 14.8 yuan and Party B 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?
29. 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?
30. There are 14 boxes of duck eggs in the shop. Sold 250 kilograms, leaving 4 boxes of 20 kilograms. How many kilograms are there in each box of duck eggs?
3 1. bright primary school donated books to students in mountainous areas, 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?
32. The grain store delivered 20 bags of rice and 20 bags of flour, each containing 90 kilograms of rice and 25 kilograms of flour. How many kilograms more rice is brought in than flour? (Answer in two ways)
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?
34. Students in Grade Four and Grade Five collect tree species. In the fourth grade, they collected tree species 18.6 kg, and the fourth grade collected 2.5 kg less than the fifth grade. How many kilograms of tree species do the two grades collect?
35. A workshop used to use 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?
36. The students took part in tree planting activities. There are 96 students in Grade Four, each of whom planted 3 trees. There are 87 students in Grade Five, each of whom planted 4 trees. How many more trees were planted in the fifth grade than in the fourth grade?
37. Six students in the first group scored 86, 79, 98, 100, 89 and 94 respectively in the math test. What is their average score?
38. A car travels for three hours135km, and an airplane is 28 times faster than a car, 60km less. How many kilometers does this plane fly per hour?
39. A clothing factory produced 850 suits in five days. According to this calculation, how many suits are produced a month? (30 days a month)
40. The store delivered 8 baskets of apples, 12 baskets of pears, with 38 kg of apples and 42 kg of pears in each basket. How many kilograms of fruit did this shop ship?
4 1. 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)
42. The distance between Party A and Party B is 750 kilometers. 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)
43. Kobayashi in Obana has 12 pencils, and Xiaogang and Xiaohong have 20 pencils. How many pencils do they have on average?
44. A primary school needs to water 620 trees in the third and fourth grades. In the third grade, I watered 40 trees 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?
45. Three looms weave 336 meters in four hours. According to this calculation, how many meters does 1 loom weave in eight 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?
46. 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?
There used to be more than 600 kilograms of rice in the canteen. After eating for 4 days, there are still 340 Jin left. How many kilograms do you eat on average every day?
48. Li Xiaolin reads a story book. If you read 12 pages every day. 15 days just ended. If you want to read it in 10 days, how many pages do you need to read on average every day?
49. Young Pioneers from a primary school lined up to perform. There are 25 people in each column, which can be arranged in 12 columns. If each column is reduced by 10, how many columns can it be arranged?
50. The road repairman repaired 950 meters in 25 days. According to this calculation, how many days will it take to repair the remaining 760m?
Senior three inspirational: the unchanging sky
More than 300 days and nights in senior three are like twinkling stars in the sky. Maybe not e