72 加法 55 等于多少？
72 + 55 = 127
72加法55 等于 127
竖式演算
验算
- 用减法验算：127 − 55 = 72
- 用减法验算：127 − 72 = 55
相关题目
72 + 56 = 128
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71 + 55 = 126
73 + 55 = 128
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