take 4 balls as a group, 3 groups - A B C4 w: ]+ I7 A( }2 W0 @% w
weigh A & B (ex. B heavier)
+ y) g x$ ^4 ~# @2 w' Mthen weigh B & C (B & C same weight)公仔箱論壇: \. H! l/ X# b2 N+ P& j( p8 \
to find which group has the weight difference and find out is it (A is lighter)
: [. y8 M. r8 M8 s; k, Sheavier or lighter
$ A$ q' B/ E# V+ Q1 Uthen 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。% m( l# o- |2 O1 h; k% ~9 N: _- K
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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