84 加法 17 等于多少？
84 + 17 = 101
84加法17 等于 101
竖式演算
验算
- 用减法验算：101 − 17 = 84
- 用减法验算：101 − 84 = 17
相关题目
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84 + 21 = 105
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2 + 99 = 101
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56 + 58 = 114
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