38 加法 53 等于多少？
38 + 53 = 91
38加法53 等于 91
竖式演算
验算
- 用减法验算：91 − 53 = 38
- 用减法验算：91 − 38 = 53
相关题目
38 + 52 = 90
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37 + 53 = 90
39 + 53 = 92
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