37 加法 40 等于多少？
37 + 40 = 77
37加法40 等于 77
竖式演算
验算
- 用减法验算：77 − 40 = 37
- 用减法验算：77 − 37 = 40
相关题目
37 + 39 = 76
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38 + 40 = 78
36 + 40 = 76
39 + 40 = 79
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