wind85
水墨江南
紫色梦幻
春意盎然
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引用第6楼lhym于2007-07-02 14:12发表的 Re:二年级的数学题,10人做8个人错,你做对了吗? :老板的损失=找给顾客的79元+商品成本18元+找给邻居的100员=197元不知道对不对?
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