72 加法 4 等于多少？
72 + 4 = 76
72加法4 等于 76
竖式演算
验算
- 用减法验算：76 − 4 = 72
- 用减法验算：76 − 72 = 4
相关题目
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72 + 1 = 73
72 + 7 = 79
72 + 8 = 80
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86 - 10 = 76