70 加法 42 等于多少？
70 + 42 = 112
70加法42 等于 112
竖式演算
验算
- 用减法验算：112 − 42 = 70
- 用减法验算：112 − 70 = 42
相关题目
70 + 41 = 111
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70 + 45 = 115
70 + 38 = 108
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69 + 42 = 111
71 + 42 = 113
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90 + 11 = 101
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