86 加法 15 等于多少?
86 + 15 = 101
86加法15 等于 101
竖式演算
验算
- 用减法验算:101 − 15 = 86
- 用减法验算:101 − 86 = 15
相关题目
86 + 14 = 100
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85 + 15 = 100
87 + 15 = 102
84 + 15 = 99
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