卢亚姐 2022-11-05 12:49 开发者_如何学JAVA没看明白。是买了三个垃圾桶,每个15元,然后平摊?只知道三个垃圾桶一共用了45元,可是宿舍一共几个人?如果是3个人,每个人付15元,5个人每人9元。[详细]
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