take 4 balls as a group, 3 groups - A B C# `8 l, a" _6 i1 X
weigh A & B (ex. B heavier)% O$ i6 H# z ]: e. |1 x* z
then weigh B & C (B & C same weight)
5 v- c1 A! |, ^" m; V! e9 ?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。to find which group has the weight difference and find out is it (A is lighter)9 {* Y" t) P: F: Z# O) d
heavier or lighter
# b: U G3 b0 ?) _- x% d) F: cthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)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。- w8 q3 T7 W" I9 e4 u3 G
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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