55 加法 60 等于多少？
55 + 60 = 115
55加法60 等于 115
竖式演算
验算
- 用减法验算：115 − 60 = 55
- 用减法验算：115 − 55 = 60
相关题目
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56 + 60 = 116
54 + 60 = 114
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23 × 5 = 115
5 × 23 = 115