take 4 balls as a group, 3 groups - A B C, C2 G7 t+ O8 d5 ?
weigh A & B (ex. B heavier)
9 ~* S1 `- n0 Q* L. H( y5 R/ H( zthen weigh B & C (B & C same weight)
% w7 a& b* W$ j% f" G0 Kto find which group has the weight difference and find out is it (A is lighter)
- W1 R6 l6 F9 P" @tvb now,tvbnow,bttvbheavier or lighter
' ?% o$ `* R8 I/ `" V* tTVBNOW 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)
r. U+ _9 _, ~$ ]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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