take 4 balls as a group, 3 groups - A B C
3 h! d+ c1 B6 g" k7 cweigh A & B (ex. B heavier)
, ^5 Q- [2 X4 O. hthen weigh B & C (B & C same weight); G7 R4 L5 }* [0 s) n/ m X2 a+ j
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。; v; G6 {* h& w" p
heavier or lighter: p+ m! ~& S# c4 [3 v
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
& m, j9 A0 f) R8 `tvb now,tvbnow,bttvbmeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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