Divide the 12 balls into 4 groups of 3's.tvb now,tvbnow,bttvb; W4 U+ A% f2 g; b9 n# P7 S2 q% J
Weigh group 1 & 2
. ]- `4 O* m: q; W, @, Uthen weigh group 2 & 3
% T, ?3 [1 H! X/ g9 O公仔箱論壇If the results are Equal & Equal, it means the ball with the different weight is in group 4.
7 |8 c. Y* S8 Q& aIf the results are Equal & Unequal, it means the ball is in group 3.
d, n7 g- B0 N5 VIf the results are Unequal & Equal, it means the ball is in group 1.
2 F% H% H4 A2 G( O: h/ {8 ~+ `) w5.39.217.77If the results are Unequal & Unequal, it means the ball is in group 2.
. R o+ V6 m" j: h+ ^# r* s6 W5.39.217.776 b! I. P) x) q6 L4 A, R
Once you determine the group that contains the ball.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。* t& Z. s& \' J- g$ }
Simply weigh two of the balls |
發表於 2007-11-17 04:52 AM
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