1, there are 260 peach trees and pear trees in the orchard, of which 20 peach trees are more than pear trees. How many peach and pear trees are there?

Both brothers are 28 years old now. Three years ago, my brother was two years older than my brother. How old are these two brothers now?

The sum of two consecutive odd numbers is 36. What are these two numbers?

4. A steel pipe is 12m long and should be sawed into two sections, so that the first section is 2m shorter than the second section. How long is each part?

5. There are 1 10 students in Class A and Class B. If five students are transferred from Class A to Class B, the number of students in the two classes is exactly equal. How many students are there in Class A and Class B?

6. Party A and Party B each have 27 copies, Party B and Party C each have 22 copies, and Party A and Party C each have 25 copies ... How many copies do three people have?

7. Xiaohua is 6 years old. Father said to Xiaohua, "When you are 10, I will be 40 years old." How old is dad this year?

8. There is a giraffe in the zoo. Its age is the number obtained by subtracting the smallest two numbers from two numbers and then subtracting one number. How old is this giraffe?

9.6 The child is divided into one bag of apples and two bags. How many apples are there in this bag?

10. Xiaoming's family eats four apples in the morning, noon and evening. How many apples did Xiao Ming's family eat a day?