以下是1到10的加减法算式:
1. 1 + 1 = 2
2. 1 1 = 0
3. 2 + 2 = 4
4. 2 2 = 0
5. 3 + 3 = 6
6. 3 3 = 0
7. 4 + 4 = 8
8. 4 4 = 0
9. 5 + 5 = 10
10. 5 5 = 0
11. 6 + 6 = 12
12. 6 6 = 0
13. 7 + 7 = 14
14. 7 7 = 0
15. 8 + 8 = 16
16. 8 8 = 0
17. 9 + 9 = 18
18. 9 9 = 0
19. 10 + 10 = 20
20. 10 10 = 0
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