45 加法 18 等于多少？
45 + 18 = 63
45加法18 等于 63
竖式演算
验算
- 用减法验算：63 − 18 = 45
- 用减法验算：63 − 45 = 18
相关题目
45 + 17 = 62
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46 + 18 = 64
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