12÷4-2= 4×4×2= 7×90÷9= 97-7-66=

60÷6-7= 8×27÷9= 8 1÷9÷ 1= 10÷ 1×8=

30÷ 10- 1= 76+57-79= 37+ 1×5= 90+9×7=

32÷2÷2= 10÷ 1×7= 95-57+44= 53-4× 1=

4+4×8= 34+4×4= 5× 16÷8= 92-6×2=

22+32+97= 9×36÷9= 8÷8-0= 168÷3÷7=

4×6- 1 1= 36÷9+69= 0+60-36= 13+8×8=

0×35÷7= 24-5÷5= 4×7+98= 42÷6-4=

62- 10÷ 1= 96-2×3= 43+58-67= 79-38+40=

70÷ 10×5= 35÷5+3 1= 93-22+34= 10-63÷9=

63-62-0= 20÷5-3= 47-3×2= 1 15-9×5=

9×4- 10= 60+72÷8= 8×4-22= 2 1-2×3=

1×0-0= 13+7 1+38= 16÷ 1÷8= 7 1-5+3=

6×6×3= 18-63÷7= 59+74-70= 100-2× 1=

8×5+45= 9×2- 10= 5 1- 19-0= 8×0+49=

3×4×9= 7×0+3 1= 89-76- 1 1= 32÷8×6=

42÷6×2= 12÷4÷3= 36÷9×5= 144÷6÷4=

9×9-6 1= 72÷8- 1= 99-9÷3= 8×5- 14=

70-3+ 13= 53-37-4= 74+3 1- 16= 6×8+3=

47- 1 1-2 1= 75+5×3= 6×4+6 1= 40÷4-5=

50 application problems in the third grade of primary school

1.39 Students are skipping rope in the playground. How many groups can every three students be divided into?

Which is more expensive, the 2.4 poplar seedlings in 48 yuan or the 3 pine seedlings in 63 yuan?

3. Three (1) class children made toys, and one * * * 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?

4. Teacher Zhang took 100 to the mall and bought three small soccer balls, and got back 7 yuan. Do you know how much each little football is worth?

5. A "Story King" has 65 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?

6. Zhang has raised 18 ducks, and the number of chickens is twice that of ducks. How many chickens and ducks does Zhang Dabo keep?

7. There are 45 buses in the parking lot, and 17 is more than buses. How many buses and cars are there?

8. There are obviously 42 stamps, but Fangfang is less than him 15. How many stamps do they have?

9. A coat is 45 yuan, and pants are cheaper than a coat 12 yuan. How much does it cost to buy a suit?

10. The white rabbit pulled out 14 radishes, and the gray rabbit pulled out three times. How many trees did the white rabbit pull out less than the gray rabbit?

1 1. There are 24 Metasequoias on campus, and the number of pine trees is three times that of Metasequoias. How many Metasequoia and pine trees are there? How many Metasequoia trees are fewer than pine trees?

12. There are 28 black swans in the park, and the number of white swans is three times that of black swans. How many white swans are there?

13. I went to the library to borrow books in the third grade. I borrowed 420 books in the morning and 20 more books in the afternoon than in the morning. How many books did you borrow on the third day?

14. Make a big rectangle with a side length of 1cm with six small squares. What is the length and width of this rectangle? How many centimeters is the circumference?

15. The rectangular playground is 55 meters long and 35 meters wide. Xiaohua ran twice along the playground. How many meters did he run?

16. Circle a square with a side length of 8 cm accurately with a line. How long is this line?

17. The fishing ground stocked 896 fry last year, and the number of fry stocked this year is twice that of last year. How many have been issued this year?

18. Three groups of students visited the Science Museum in the morning, with 169 students in each group and 2 13 students in the afternoon. How many students come to visit on this day?

19. A Niu eats 32kg of grass every day. How many kilograms of grass do two cows eat in four days?

20. There is a piece of land for growing tomatoes, eggplant and watermelon. How much is watermelon?

2 1. 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?

22.48 Students collect insect specimens. Every three students are divided into one group. How many groups can they be divided into?

23. The students want to plant 93 trees, and have already planted 18 trees. The remaining saplings were equally distributed to five groups. How many trees will each group plant?

24. The precipitation in Shanghai in June was 42 mm, less than that in June14 mm. What is the rainfall in June and July?

This toy factory can produce 600 toys per hour. How many toys can it produce from 10 am to 2 pm?

26. Square garden with a side length of 15m. What's its circumference?

27. Put a fence around a rectangular piece of land with a length of16m and a width of 8m. How long is the fence?

28. There are *** 108 children who learn painting in Children's Palace, and the children who learn calligraphy are 36 times less than those who learn painting. How many people study calligraphy in Children's Palace?

29. Each skipping rope is 2 meters long. How many skipping ropes can a 65-meter-long rope cut? How many meters are left?

30. Miss Li bought two badminton rackets, gave them to 70 yuan and took them back to 6 yuan. How much is each badminton racket?

3 1. Xiaoming plans to finish reading a popular science book in 6 days. How many pages does he read on average every day?

32. The students made 80 paper flowers, and tied a bunch of them every five. How many bundles can they play? Tie a bunch of flowers every four. How many bundles can you play?

33. The unit price of an exercise book is 40 cents. With this 5 yuan money, how many such exercise books can Miss Wang buy at most?

34. Xiaohua went to the store to buy drinks, bought five bottles, paid the shop assistant 100 yuan and took them back to 35 yuan. How much is each bottle of drinks?

Students go to the orchard to take part in voluntary labor. There are 40 male students and 38 female students. Every six people are divided into groups. How many groups can a * * * be divided into?

There are 26 boys and 22 girls in Class 3 (2). The class is divided into four teams on average. How many students are there in each team on average? If each student issues 2 math exercise books, how many math exercise books does the whole class need?

There are 18 boys in the school dance team, and the number of girls is twice that of boys. How many men and women are there in the dance team?

38. Nine girls visited the Observatory, and three times as many boys as girls. 1. Is a 40-seat car enough?

39. One batch of goods has already shipped 8 tons, and the rest is five times. How many tons are there in this shipment?

40. Xiaoming bought six sets of sports pictures, each set of 4 yuan, and also bought a red-painted copybook of 15 yuan. How much did Xiaoming spend?

4 1 .1 game 14: 45 and 16: 18. How long did the game last?

42. Students go boating. There are 27 male students and 29 female students, and every four people have a boat. How many boats do I need to rent?

43. Uncle Wang raised 15 geese, with four times as many ducks as geese and 38 more chickens than ducks. How many ducks does Uncle Wang keep? How many chickens are there?

44. A painting, 50 cm long and 30 cm wide. Is it enough to use a piece of wood with a length of 150 cm as a border?

45. Each bag of salt weighs 500 grams. How many grams are there in six bags of salt? How many kilograms?

46. A total of 257 ducks were raised in poultry farms, with 5 ducks in each cage. How many chickens and ducks are raised on this farm?

This factory can produce 406 teddy bears every day. According to this calculation, how many teddy bears can be produced in five days?

48. A truck travels 850 meters per minute, and a car travels 50 meters, which is more than three times that of a truck. How many meters does the car travel per minute?

49. A construction site delivered 180 bags of cement on the first day, and the number of bags delivered on the second day was twice as small as that on the first day, 19 bags. How many bags of cement were delivered the next day?

50. Each truck can carry 4 tons of goods at a time. How many tons of goods can one * * * transport five times with eight such trucks?