64 加法 67 等于多少？
64 + 67 = 131
64加法67 等于 131
竖式演算
验算
- 用减法验算：131 − 67 = 64
- 用减法验算：131 − 64 = 67
相关题目
64 + 66 = 130
64 + 68 = 132
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