Column type:

His family used electricity this month.

2. Pear trees 148, with 58 fewer apple trees and 29 more orange trees than apple trees. How many orange trees are there?

Column type:

There is an orange tree.

3. There are 43 people on the bus, 26 people get off, and 18 people get on. How many people are there in the car now?

Column type:

A: There are still people in the car now.

4. A * * * 70 pages, Xiao Ming reads 8 pages every day. How many days will it take to finish it?

Column type:

A: It will take several days to finish reading.

5. Schoolbag 25 yuan, pencil case 16 yuan. How much can I get back by buying these two things with 50 yuan?

Column type:

A: I can also get the RMB back.

6. Grade one 147, grade two 152, and the number of students in grade three is 25 less than the sum of the number of students in grade one and grade two. How many students are there in grade three?

Column type:

A: There are also people in the third grade.

7, 3 boxes of cakes, each box of 25 yuan, one for each child, plus 5 yuan is enough. A * * *, how many children?

Column type:

A: One * * * has children.

8. The weight of a duck is 3kg, and that of a pig is 8kg 13 times that of a duck. How much does this pig weigh?

Column type:

The weight of a pig is 100 kg.

9. Xiaoming is 1 1 years old, and his father is five years older than him. How old is his father this year?

Column type:

A: Dad is twenty years old this year.

10. There are 42 boys in the choir, and 8 girls are less than boys. How many people are there in the choir?

Column type:

A: There are people in chorus one.

1 1, a box of intellectual toys 9 yuan, Miss Li from kindergarten wanted to buy 35 boxes, and she paid 350 yuan. How much should she get back?

Column type:

You should get the RMB back.

12. Class 1 has 2 1 person and Class 2 has 0/2 person. How many students are there in Class Two?

13. Xiao Liang took the ball, 47 times for the first time and 39 times for the second time. How many times did he take it twice?

14. There are some ducks on the river, 56 ducks swim into the river, and the remaining 17 ducks are on the river. How many ducks are there?

15. Xiaomei threw four sandbags, but not eight. How many sandbags will she throw?

16. 30 trees were planted on both sides of the road. A * * *, how many trees have been planted?

17. There are 34 ropes in Class One and 25 ropes in Class Two. The number of ropes in Class Three is the sum of Class One and Class Two. How many ropes are there in Class Three?

18. In the injection room, a doctor is vaccinating nine children. How many people are in the injection room?

19. There are 90 books in the library. For the first time, 35 books were lent out, and the same number of books were lent out for the second time. How many books have been lent out twice?

20. Small animals line up. The puppy ranks fourth, and there are six small animals behind the dog. How many small animals are there in this row?

How much is the sum of 2 1, 48 and 37 more than 56?

22. The subtraction is 34, the difference is 47, and what is the minuend?

23. Dongdong laid 86 eggs, and Xixi produced more eggs than Dongdong 19. How many eggs did Xixi lay?

24. The Shenzhou VII spacecraft launched by China circled the earth 42 times. Shenzhou VI flew 38 times more than Shenzhou VII, but Shenzhou VII took three astronauts. How many laps did Shenzhou VI fly?

25. Yucai Primary School has 24 male teachers and 38 female teachers. How many teachers are there in Yucai Primary School? Blue Sky Primary School has 45 teachers, how much less than Yucai Primary School?

26. Xiaohong made 25 flowers, and Xiaoli will make 38 more. How many flowers will a * * * open? If you make 44 more yellow flowers, how many yellow flowers and red flowers will you make?

27. There are 26 paintings in Class One, Grade Two, and 38 paintings in Class Two, Grade Two. Forty-two pictures have been posted. How many paintings are left?

28. The education building is 38m high, the culture building is15m higher than the education building, and the science and technology building is 8m higher than the culture building. How many meters is the science and technology building?

29. Shopping activities: RMB 65,438+00 is reduced by 50 yuan.

Doll: 28 yuan bear: 15 yuan car: 26 yuan building block: 24 yuan plane: 35 yuan

How much does it cost to buy a doll and a bear?

(2) Can you save 10 yuan by buying a car and adding a box of building blocks?

(3) Can you ask other math questions and answer them?