67 加法 7 等于多少？
67 + 7 = 74
67加法7 等于 74
竖式演算
验算
- 用减法验算：74 − 7 = 67
- 用减法验算：74 − 67 = 7
相关题目
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67 + 11 = 78
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2 + 72 = 74
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