5 加法 42 等于多少？
5 + 42 = 47
5加法42 等于 47
竖式演算
验算
- 用减法验算：47 − 42 = 5
- 用减法验算：47 − 5 = 42
相关题目
5 + 41 = 46
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6 + 42 = 48
3 + 42 = 45
7 + 42 = 49
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2 + 45 = 47
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