1. 21 + 38 =

2. 24 + 16 =

3. 26 + 57 =

4. 29 + 25 =

5. 28 - 15 =

6. 70 + 48 =

7. 12 + 14 =

8. 66 - 57 =

9. 39 + 30 =

10. 86 - 26 =

11. 91 + 59 =

12. 91 - 14 =

13. 99 - 52 =

14. 99 - 35 =

15. 99 - 61 =

16. 24 - 36 =

17. 20 + 16 =

18. 94 + 24 =

19. 65 - 10 =

20. 80 - 74 =

21. 54 + 11 =

22. 45 + 30 =

23. 55 + 68 =

24. 51 - 31 =

25. 51 - 17 =

26. 21 + 24 =

...（以此类推，总共100道）

95. 78 + 19 =

96. 13 + 9 =

97. 4 - 1 =

98. 26 + 67 =

99. 83 + 15 =

100. 71 - 26 =

这些题目涵盖了100以内的加法和减法，适合用于练习口算和竖式计算。