77 加法 43 等于多少？
77 + 43 = 120
77加法43 等于 120
竖式演算
验算
- 用减法验算：120 − 43 = 77
- 用减法验算：120 − 77 = 43
相关题目
77 + 42 = 119
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76 + 43 = 119
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