take 4 balls as a group, 3 groups - A B C公仔箱論壇2 T8 J* \1 h! s2 e( o# _
weigh A & B (ex. B heavier)www1.tvboxnow.com, A0 T; z6 c' e1 \; Z3 y
then weigh B & C (B & C same weight)
. \9 N+ W, X1 x2 ato find which group has the weight difference and find out is it (A is 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。$ I& |4 k r; L9 D
heavier or lighter j1 Q4 T9 U4 n# x9 K0 q1 U) B. j
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)公仔箱論壇/ O* j3 W6 s& @5 J. o- a) c1 @9 p
measure E vs F to find which 1 is lighter.... |