-15(shoe cost)
-29(give the buyer for free)
+6(this $6.00 is real money he made, from the real $50.00)
-44(give back for fake money)$44.00+ $6.00 shoe shop made is 44+6=$50.00)
= $ 88
回复:一道小學3年级数学题,3分钟之内答错了,证明你不适合玩基金!此题10人做9人错!
本帖于 2008-01-01 20:35:44 时间, 由普通用户 笨企鹅 编辑