23 加法 79 等于多少？
23 + 79 = 102
23加法79 等于 102
竖式演算
验算
- 用减法验算：102 − 79 = 23
- 用减法验算：102 − 23 = 79
相关题目
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21 + 79 = 100
25 + 79 = 104
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