84 加法 43 等于多少？
84 + 43 = 127
84加法43 等于 127
竖式演算
验算
- 用减法验算：127 − 43 = 84
- 用减法验算：127 − 84 = 43
相关题目
84 + 42 = 126
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85 + 43 = 128
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