take 4 balls as a group, 3 groups - A B C
1 U3 N9 d6 C$ Z* @7 wtvb now,tvbnow,bttvbweigh A & B (ex. B heavier)9 R7 R/ N/ I3 d
then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb/ s+ [2 }! ]6 x7 s2 O; x1 }
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。7 @5 Z+ ]% J+ r* B( }# W& v
heavier or lighter) X* z4 j* ]3 u9 X* T
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
! ~6 t: Y0 L" @; t/ A5 k1 rmeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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