68 加法 42 等于多少？
68 + 42 = 110
68加法42 等于 110
竖式演算
验算
- 用减法验算：110 − 42 = 68
- 用减法验算：110 − 68 = 42
相关题目
68 + 41 = 109
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67 + 42 = 109
69 + 42 = 111
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