為什麽13減去出生的那一年,最後的兩位數就一定是俺的年齡呢? 再提示一下? 謝謝哦.

來源: 苗青青於 2013-04-14 20:15:28 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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