take 4 balls as a group, 3 groups - A B C* x, { S: a6 E0 f
weigh A & B (ex. B heavier)
5 X) s# v8 w) x5 \公仔箱論壇then weigh B & C (B & C same weight)公仔箱論壇, }- I* g2 A' H6 h7 s; S x$ B5 }
to find which group has the weight difference and find out is it (A is lighter)
) O6 [* p$ O; n3 R5 D3 v5.39.217.77:8898heavier or lighter
1 R" k1 c, X6 A9 R8 }/ m) f jthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
. d, H0 T3 G; | p6 h8 ?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
| 
