this is too easy!!公仔箱論壇 m. m2 Y& T# l( |! g
$ }. }, J0 X" A$ x" m; @1. put 6 at each side.. take the one side which is heavier
}5 v# m3 W+ t. P$ B4 ]# J. `TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。2. put 3 at each side.. also take the heavier side; f4 U, R; h; c7 w: f: Y/ {
3. put 1 at each side.. if the weight balance then the one not put inside is the heavy ball.. else the side which is heavier is the heavier ball.. |
發表於 2009-1-7 05:31 AM
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