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！

来源: 于 2007-12-28 22:51:44 [旧帖] [给我悄悄话] 本文已被阅读：次

-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