take 4 balls as a group, 3 groups - A B C% o0 W7 P8 |- I) S1 i- S+ a
weigh A & B (ex. B heavier)
& x3 b3 e; o3 x9 x公仔箱論壇then weigh B & C (B & C same weight)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。2 x; H$ A* B2 D* h
to find which group has the weight difference and find out is it (A is lighter)tvb now,tvbnow,bttvb/ F+ c! R+ {6 R6 z( }0 U
heavier or lighter
+ z: }0 F$ {3 c( K8 Ethen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)公仔箱論壇9 i# d+ o G0 i+ m2 n% b
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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