sitsky

take 4 balls as a group, 3 groups - A B Ctvb now,tvbnow,bttvb9 x/ r" k) x2 }8 o8 N
weigh A & B (ex. B heavier)tvb now,tvbnow,bttvb0 T" d# H# @' [3 a/ d
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 a3 C7 W1 s3 @3 Q3 f7 E  I$ G8 V; c- h
to find which group has the weight difference and find out is it (A is lighter)( U& q# q* k; \, P$ D2 u2 F
heavier 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。. n' s8 ?. Y& j! Q# w# a
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)www3.tvboxnow.com! @9 {0 L& W. h
measure E vs F to find which 1 is lighter....