20以内的加减法(280道)练习

⏱ 耗时:00:00
题数:
1. 7 - 1 =
2. 15 - 1 =
3. 16 + 4 =
4. 20 + 0 =
5. 2 + 7 =
6. 5 + 3 =
7. 4 - 1 =
8. 19 + 1 =
9. 10 + 8 =
10. 19 - 18 =
11. 19 - 12 =
12. 20 - 2 =
13. 5 + 11 =
14. 20 + 0 =
15. 1 - 1 =
16. 11 + 6 =
17. 3 - 1 =
18. 2 - 1 =
19. 7 - 3 =
20. 8 + 10 =
正确:0 错误:0

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