回複：讓人煩惱的禮金卡問題

來源: 於 2009-01-02 13:02:48 [舊帖] [給我悄悄話] 本文已被閱讀：次

Don't know the 最優方案. But under 最優方案, the expected value you will receive is about $475. I feel that to find the exact calculation is beyond manually possible.