48 加法 61 等于多少？
48 + 61 = 109
48加法61 等于 109
竖式演算
验算
- 用减法验算：109 − 61 = 48
- 用减法验算：109 − 48 = 61
相关题目
48 + 60 = 108
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49 + 61 = 110
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46 + 47 = 93
37 + 39 = 76
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