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1, Xiaoming is 7 years old, his mother is 2 1 year older than Xiaoming, and his father is 5 times older than Xiaoming. How old is his mother this year? Where's Dad?

2. There are 28 girls in Class 2 (3), 12 boys are less than girls. How many boys are there?

How many boys and girls are there?

Students planted 25 trees this morning, 19 trees in the afternoon, and 38 trees yesterday. How many more trees have been planted today than yesterday?

There used to be 39 male teachers, 25 female teachers and 8 teachers in Chang 'an No.1 Primary School. How many teachers are there in Chang 'an No.1 Primary School now?

Eight willows were planted in front, back, left and right of the flower bed. A * * *, how many willows have been planted?

6. Mom bought eight apples, _ _ _ _ _ _ _ _ _ _ _, and how many pears?

7. Xiaohong reads a 90-page book, with an average of 8 pages a day. After reading for 9 days, how many pages are left?

8. Xiaohua has 5 bags of sugar, 6 capsules in each bag, and 3 capsules. How many sweets does Xiaohua have?

9. There are 25 boys, 265,438 girls+0 and two teachers. Is there enough space in a 50-seat car?

10, a building has ten floors, each floor is 4 meters. Xiaoming is standing on the balcony on the eighth floor. How far is he from the ground?

1 1. There are 6 small snails, and 2 ants are less than it. How many ants are there?

12. There are 36 boxes of pears and 37 boxes of apples. This minivan can carry 70 boxes at a time. Can these pears and apples be transported at one time?

13. A big towel, 38 yuan, was given to the shop assistant 50 yuan. How much should I get back?

14, Xiaohong bought a box of red fujis, ate 18, and there were six left. How many red vines are there in a box?

15, Xiaolan bought exercise books at fifty cents each, _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.

16, the teacher assigned 80 arithmetic problems, and Xiao Xin did 69. How much is left?