take 4 balls as a group, 3 groups - A B C
. S/ |* a& W! itvb now,tvbnow,bttvbweigh A & B (ex. B heavier)
9 {$ ?, r( O1 r+ [then weigh B & C (B & C same weight)
. e# N6 V F& |0 P, w' N# M7 x* d$ dto find which group has the weight difference and find out is it (A is lighter)
* Z& p# y& U4 o& b2 b1 b! XTVBNOW 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 p( D) g9 H" t% r1 l- nthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)tvb now,tvbnow,bttvb* m1 n+ e4 b5 O( `0 s
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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