take 4 balls as a group, 3 groups - A B C
* t1 _7 l% M: P" g( tweigh A & B (ex. B heavier)
# u( W+ J: @2 x- k公仔箱論壇then weigh B & C (B & C same weight)+ b" j" q1 E* i9 {. ~+ k4 y
to find which group has the weight difference and find out is it (A is lighter)
$ o K" E! a6 e) \' c, O% E公仔箱論壇heavier or lighter
! R; K& R7 w$ x. `4 { @' Utvb now,tvbnow,bttvbthen 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。# |, z) z0 D( W* {& z1 v
measure E vs F to find which 1 is lighter.... |