73 加法 48 等于多少？
73 + 48 = 121
73加法48 等于 121
竖式演算
验算
- 用减法验算：121 − 48 = 73
- 用减法验算：121 − 73 = 48
相关题目
73 + 47 = 120
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72 + 48 = 120
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