There were 75 planes in the airport, and 63 flew away. How many planes are there in the airport now?

Xiaoping planted 7 pots of safflower and the same amount of yellow flowers. How many pots of two kinds of flowers?

5. The school has 25 bottles of glue and bought 19 bottles. How many bottles are there now?

There are 36 apples in Xiao Qiang's family. After eating seven, how many are there?

7. There are 33 vehicles in the passenger station, which have left 13 vehicles. How many cars are there?

8. Children make paper-cuts with 8 pieces of red paper and the same amount of yellow paper. How many sheets of paper did they use?

9. There are 39 horses in the racecourse, and 52 horses have come. How many horses are there in the racecourse now?

10. The store has 25 fans and sold 16. How many fans are there now?

1 1. There are 65 orchids and chrysanthemums, 26 orchids and how many chrysanthemums in the school?

12. Xiaoqing drew twice 17, the first time was 9, how much was the second time?

13. Xiaohong's family has 33 apples and pears. 14 apples and how many pears?

14. The school wants to distribute 42 boxes of stationery to primary schools in mountainous areas, and has already distributed 27 boxes. How many more boxes do you want to send?

15. There are 1 1 cabbage at home. After eating five, how many more?

16. There are 48 trees on both sides of a road. A * *, how many trees have been planted?

17. Eight cars left in the parking lot, leaving 24 cars. How many cars are there in the parking lot?

18. Eight carts were driven from the parking lot, driving the same number of cars. How many cars have driven twice?

19. There are 6 footballs in the school gymnasium, and 26 have been bought. How many are there now?

20. Learn from Lei Feng. The team repaired 8 chairs in the morning and 9 chairs in the afternoon. How many chairs have been repaired in one day?

2 1. Originally, 22 people went to the theatre, and 13 people came and 6 people left. How many people are going to the theatre now?

22. The bakery made 54 loaves of bread. The first group bought 22 loaves and the second group bought 8 loaves. How much bread is left? (two methods)

23. There were 22 boys and 2 girls1person, of which 16 people participated. How many people still didn't attend?

24. Three groups * * * collected 94 mineral water bottles, the first group collected 34, the second group collected 29, and the third group collected how many? (two methods)

25. There are 4 1 person on the bus, 3 people on the bus/kloc-0, and 9 people get off the bus. How many people are there in the car now?

26. Xiaohong has 28 balloons and Xiao Fang has 24 balloons for kindergarten children 15. How many balloons are left?

27. Xiaojun and Xiaoli made lanterns, Xiaojun made 2 1 and Xiaoli made 18. They want to give their teacher 50 pounds. How much more do they want to do? (two methods)

28. This story book has 74 pages. Xiaoli read 20 pages in grade one and 23 pages in grade two. How many pages are left? (two methods)

There used to be 58 sheep in the sheepfold. Six go first, then seven. How many are there now? (two methods)

30. Xiaodong did 10 math problems in the morning, and three more in the afternoon than in the morning. How many did Xiaodong make?

3 1. Xiaohong read the story book. On the first day, she read 15. The next day, she read six pages less than the first day. How many pages did she read in two days?

32. Xiaoming is 8 years old and his father is 35 years old. How old was Xiaoming when his father was 50?

33. Xiaodong is 6 years old and his mother is 30 years old. When Xiaodong 12 years old, how old was his mother?

34. My father, mother and brother both picked nine corns, and I picked six. How much corn did our family pick?

35. Xiaoming planted five rows of radishes, nine in each row. 15 for the neighbors, how many are left?

36. In the conference room, there are 30 single chairs and 8 double chairs. How many people can sit in a room?

37. The canteen sent three carts of rice, each with eight bags. After eating 18 bags, how many bags are left?

38. There are 40 people crossing the river. Is it enough to rent 8 boats (each boat can only take 4 people) and 1 big boat (each big boat can only take 6 people)?

39. Xiaoming bought a pen with money from 8 yuan. The cost of buying a schoolbag is six times that of buying a pen. How much did Xiaoming spend?

40. I have 50 yuan. I want to buy a dress made in 29 yuan and a pair of 18 yuan glasses. How much is left? (two methods)

4 1.2002 World Cup Top Ten Asian Games Group B scored 12 points at home in China, 5 points less away than at home. What's China's total score?

42. In 2002, Qatar scored 3 points at home and 2 points away in Group B of the Asian Top Ten World Cup. What is Qatar's total score?

Xiaoming is eight years old, and his father is four times as old as Xiaoming. How old is his father?

44. Xiao Gang saved 8 yuan, while Xiao Bing saved nine times as much as Xiao Gang. How much did Xiao Bing and Xiaogang save?

45.6 Children have to fold 80 paper cranes, each of which has already folded 9. How much more do you want to discount?