回複：詭異的問題

來源: 於 2010-10-28 05:50:10 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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