回复：诡异的问题

来源: 于 2010-10-28 05:50:10 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

If 葱白: 葱绿 is 50:50, then the average price of 葱白and 葱绿, not the total price, should be 1 Yuan