take 4 balls as a group, 3 groups - A B C
! q) C5 U8 \ u& k5.39.217.77weigh A & B (ex. B heavier)
' M5 k" t; u8 h9 i# athen weigh B & C (B & C same weight)
7 K. W2 Z+ Z, v% R7 }8 j$ b1 @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( a2 K3 v2 X# |/ ptvb now,tvbnow,bttvbheavier or lighter
6 K$ A3 P& C. i+ ~. R4 ithen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
4 k( d- U- D+ e1 H! OTVBNOW 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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