1, Mom bought a basket of pears, Xiaoming ate three, and there were four left. How many pears did mom buy? seven

2. Xiao Fei has 12 pictures, gave some to Xiao Ming, and there are 9 left. How many tickets are given to Xiaoming? Three.

3. Two classes planted 13 trees, and one class planted 12 trees. How many trees have Class Two planted? 1 tree

There are 7 calves in the production team, and there are 8 more big calves than calves. How many big cows are there? 15 head

5. There are 7 more yellow flowers than red flowers, 1 1 red flowers. How many yellow flowers are there? 18 flowers

6. There are 7 fewer yellow flowers than red flowers, 1 1 red flowers. How many yellow flowers are there? 4 flowers

7. There are 9 girls and 2 boys in the school dance group. How many more girls than boys? Seven people

8. There are 17 red goldfish and flower goldfish in the fish tank, including 15 red goldfish and how many flower goldfish? the second

9. There are apples and pears in the basket *** 18, including 5 apples and a few pears. 13 only

10, six students went home, and there were 1 1 students left in the class. How many students are there? 17 people