take 4 balls as a group, 3 groups - A B C
: z2 U! X' N. F. {" z+ Zweigh A & B (ex. B heavier)公仔箱論壇9 Q7 X: E5 M( I8 Z) }
then weigh B & C (B & C same weight)
! ?9 B5 }9 Z# S7 {4 y& P, ~# B. ]to find which group has the weight difference and find out is it (A is lighter)
% x) X' `# D" B! Oheavier or lighterTVBNOW 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。6 v9 y' ^2 E3 I a! ?8 t
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF 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。9 O) [7 X b2 p- j3 t/ s4 P
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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