take 4 balls as a group, 3 groups - A B C公仔箱論壇. t, {+ z3 G3 b- c5 Q
weigh A & B (ex. B heavier)
$ A8 O5 @; O2 m. Othen weigh B & C (B & C same weight)) O$ f: ^0 s* S& j
to find which group has the weight difference and find out is it (A is lighter)9 F% C& b9 s) Z
heavier or lighterwww3.tvboxnow.com2 S" ?8 {4 f: R0 `# r3 E
then 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。+ H1 i# H. D! q# Z' L+ c
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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