take 4 balls as a group, 3 groups - A B C9 g4 u- q" t% i7 s
weigh A & B (ex. B heavier)
3 ]/ t$ |, i" Rthen weigh B & C (B & C same weight)
% g) _* F" h- b1 b0 i: @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。1 c1 o5 M3 P" D8 ~7 E
heavier or lighter
9 ]+ Z7 g/ ?0 O) Q8 p! t, @www3.tvboxnow.comthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
7 `) Y0 X$ t- w* _% zTVBNOW 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
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