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)

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

4. 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)

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

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

7. Xiaojun and Xiaoli made lanterns, Xiaojun made 2 1, Xiaoli made 18, and gave them to the teacher 50. How much more will they make? (two methods)

8. 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)

10, Xiaodong did 10 math problems in the morning, and did 3 more in the afternoon than in the morning. How many did Xiaodong make?

1 1, Xiaohong reads 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?

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