2 加法 38 等于多少?
2 + 38 = 40
2加法38 等于 40
竖式演算
验算
- 用减法验算:40 − 38 = 2
- 用减法验算:40 − 2 = 38
相关题目
2 + 37 = 39
2 + 39 = 41
2 + 40 = 42
2 + 36 = 38
2 + 41 = 43
2 + 35 = 37
2 + 42 = 44
2 + 34 = 36
1 + 38 = 39
3 + 38 = 41
4 + 38 = 42
5 + 38 = 43
6 + 38 = 44
7 + 38 = 45
8 + 38 = 46
9 + 38 = 47
1 + 39 = 40
3 + 37 = 40
4 + 36 = 40
5 + 35 = 40
6 + 34 = 40
7 + 33 = 40
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83 + 82 = 165
82 + 65 = 147
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90 + 32 = 122
15 + 15 = 30
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63 - 23 = 40