48 加法 6 等于多少?
48 + 6 = 54
48加法6 等于 54
竖式演算
验算
- 用减法验算:54 − 6 = 48
- 用减法验算:54 − 48 = 6
相关题目
48 + 5 = 53
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48 + 9 = 57
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46 + 6 = 52
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2 + 52 = 54
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