網頁標題: 數技,b23 業
 



小二甲班鄭奕杰
1. 36-8 = 28+10-8 = = 27+1 = 28

2. 75-6 =69+10-6 =68+1 = 69
3. 93-9 = 89+10-9 = = 83+1 = 84

4. 52-5 = 48+10-5 = 46+1 = 47
5. 41-2 = 39+10-9 = 38+1 = 39
6. 43-4 = 38+10-4 = = 38+1 = 39
7. 82-8 = 78+10-8 = 73+1 = 74
8. 76-8 = 68+10-8 = 67+1 = 68
9. 82-6 = = 78+10-6 = = 75+1 = 76
10. 34-6 = 28+10-6 = = 27+1 = 28
11. 54-9 = 44+10-9 = 44+1 = 45
12. 41-3 = 38+10-3 = 37+1 = 38
13. 13-6 = 13+10-6 = = 6+1 = 7
14. 92-4 = 88+10-4 = 87+1 = 88
15. 93-5 = 88+10-5 = 87+1 = 88
16. 82-8 = 78+10-8 = = 73+1 = 74
17. 71-8 = 68+10-8 = 62+1 = 63
18. 34-7 = = 24+10-7 = 26+1 = 27
19. 97-9 = 88+10-9 = == 87+1 = 88
20. 91-9 = 88+10-9 = 81+1 = 82
21. 52-5 = 48+10-5 = 46+1 = 47
22. 83-9 = 73+10-9 = = 73+1 = = 74
23. 87-9 = 78+10-9 = = 77+1 = 78
24. 73-5 = 68+10-5 = = 67+1 = 68



本文張貼者:鄭奕杰〔張貼時間:民國98年9月30日(星期三)21點11分〕

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