take 4 balls as a group, 3 groups - A B C
+ C1 X$ H/ u( g, a, ?tvb now,tvbnow,bttvbweigh A & B (ex. B heavier)5.39.217.763 \/ R3 P( F* g! T
then weigh B & C (B & C same weight)
1 w, T# N+ q8 O& I8 }( [( w! Itvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter) `/ b* N/ A% F
heavier or lighter
" C, R5 r8 ]" _! x! @( l: ?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。then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
7 I p4 k5 X% v3 t0 M8 l9 V2 ameasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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