take 4 balls as a group, 3 groups - A B C+ U9 v t( K4 u. d m! N
weigh A & B (ex. B heavier)tvb now,tvbnow,bttvb4 d" I: l; [3 p+ O& D
then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb* ^/ G& U, ?' _8 ]' m! w0 R
to find which group has the weight difference and find out is it (A is lighter)
2 E) T+ ^- N1 z/ i8 H* [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。heavier or lighter
( D F1 s5 D2 R, P! Uthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)公仔箱論壇2 e7 O ~/ I' `4 _$ R9 u
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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