84 加法 67 等于多少？
84 + 67 = 151
84加法67 等于 151
竖式演算
验算
- 用减法验算：151 − 67 = 84
- 用减法验算：151 − 84 = 67
相关题目
84 + 66 = 150
84 + 68 = 152
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85 + 67 = 152
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