take 4 balls as a group, 3 groups - A B C* q; e m6 R5 D
weigh A & B (ex. B heavier)
9 S2 `$ n1 ]' H. _+ D: ^1 k. `then weigh B & C (B & C same weight)
8 Z/ _6 R. h( U; ^! pto find which group has the weight difference and find out is it (A is lighter)
) X5 h4 S* V: M B7 q7 jTVBNOW 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。heavier or lighter
6 w5 N8 T! S. L0 f' V W' B. p) c1 R0 [公仔箱論壇then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
+ C1 @# l: z( A9 G% hmeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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