67 加法 42 等于多少？
67 + 42 = 109
67加法42 等于 109
竖式演算
验算
- 用减法验算：109 − 42 = 67
- 用减法验算：109 − 67 = 42
相关题目
67 + 41 = 108
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10 + 99 = 109
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