take 4 balls as a group, 3 groups - A B CTVBNOW 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。: y8 u1 u+ a2 b4 {5 {5 l
weigh A & B (ex. B heavier): D$ r8 S3 ~8 E- D+ w% H
then weigh B & C (B & C same weight)
a$ ^( G6 i4 P8 Z! m+ Etvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)
: d; Q; V: E- S/ `heavier or lighter
6 z& p: ` E7 uTVBNOW 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。then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
: ^" E( P% r. m/ `8 L) q2 tmeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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