Divide 3 groups first.tvb now,tvbnow,bttvb/ T7 q" q2 Z8 P, C1 Y) M
i.e. 4 x 4 x 4.
/ B5 M3 g; _7 d; hTVBNOW 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。Weight any 2 groups [1st]公仔箱論壇. z$ r* ^. w$ M; F0 V
then you will know the heavier ball in which group.公仔箱論壇3 A( X3 k* s9 V
Weight any 2 balls in that group [2nd]
9 ~3 w% r, g- `' e$ Wthen you will know the heavier ball in which 2 balls.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。; ?1 s" }/ V: f
Repeat again in remainders [3rd]os.tvboxnow.com/ F& X; y0 p0 Z+ M& ~
Got the heavier ball. |
發表於 2009-7-2 08:37 PM
| 