take 4 balls as a group, 3 groups - A B CTVBNOW 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。0 D8 v( e* n; ]! g3 p0 ?$ t/ O
weigh A & B (ex. B heavier)
, p; K0 [5 g, ethen weigh B & C (B & C same weight)
: v3 d" l- D6 j7 i9 j8 etvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)+ `. D/ S K" D. ^" s0 _8 \5 V
heavier or lighter6 v' i; d4 R! k& i7 }0 \# h% X; k" C
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
+ W5 P. |! w' u: c# b/ e公仔箱論壇measure E vs F to find which 1 is lighter.... |