take 4 balls as a group, 3 groups - A B Ctvb now,tvbnow,bttvb( y- B$ Z7 A" c
weigh A & B (ex. B heavier)5.39.217.77:8898' O X. i1 M1 ~3 _
then weigh B & C (B & C same weight)+ z- p* f- p& P4 H
to find which group has the weight difference and find out is it (A is 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。! T9 L6 c8 g; c; s
heavier or lighter
' [, Q2 \5 e0 r U* G$ D公仔箱論壇then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)公仔箱論壇$ B) L( F: T4 U4 `& w
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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