take 4 balls as a group, 3 groups - A B C公仔箱論壇# h7 A5 X' K% c% p6 x/ V
weigh A & B (ex. B heavier)
% J. W" W v! P1 K* xTVBNOW 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 weigh B & C (B & C same weight)
. B1 L: C: }1 s7 i& N2 K3 v公仔箱論壇to find which group has the weight difference and find out is it (A is lighter)公仔箱論壇) }, j0 _2 ]2 O7 |5 W4 D
heavier or lighter! H/ q) C- t' |8 L. F! M, \8 s- r2 d _
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
7 {+ x9 A' P5 |) a, m8 E; Imeasure E vs F to find which 1 is lighter.... |