79 加法 28 等于多少？
79 + 28 = 107
79加法28 等于 107
竖式演算
验算
- 用减法验算：107 − 28 = 79
- 用减法验算：107 − 79 = 28
相关题目
79 + 29 = 108
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98 + 53 = 151
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