17 加法 85 等于多少？
17 + 85 = 102
17加法85 等于 102
竖式演算
验算
- 用减法验算：102 − 85 = 17
- 用减法验算：102 − 17 = 85
相关题目
17 + 84 = 101
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16 + 85 = 101
18 + 85 = 103
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