take 4 balls as a group, 3 groups - A B C
E! P: l( ?8 s' t/ \公仔箱論壇weigh A & B (ex. B heavier)6 t, {1 m; T2 i5 m m+ i4 u
then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb: I: G% r8 W( g' q( H6 m
to find which group has the weight difference and find out is it (A is lighter)
( l. v! R. k. R7 O4 T0 qTVBNOW 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。heavier or lighter
: f$ ], O: x- Pthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
0 Z: N; @( Z. g" \: hmeasure E vs F to find which 1 is lighter.... |