take 4 balls as a group, 3 groups - A B C% {# K: P; ^: O" R1 f
weigh A & B (ex. B heavier)
0 h8 u: Q. a7 F$ n. v( U. c公仔箱論壇then weigh B & C (B & C same weight)
8 c3 F: u4 |7 O& |* K5 g5 [) Q" bTVBNOW 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)
, W' j$ d/ `7 g9 y5.39.217.76heavier or lighter
6 Z3 v" \8 g: F( qtvb now,tvbnow,bttvbthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
8 [0 g3 F& J3 l7 G- n4 V/ p) h. c5 {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。measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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