take 4 balls as a group, 3 groups - A B C' b- X. | y. I) k6 l7 k: i3 u
weigh A & B (ex. B heavier)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。& n* k" ~% h' K8 @, F2 r
then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb& Z0 Z; l# l* y( l( d/ d6 N
to find which group has the weight difference and find out is it (A is lighter)' ]# m% K: g5 e# q7 x F
heavier or lightertvb now,tvbnow,bttvb2 \6 Q6 e7 P/ E7 k/ S3 s3 k, v% X9 E
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
" V& F. k0 s+ y8 T# P3 x, jtvb now,tvbnow,bttvbmeasure E vs F to find which 1 is lighter.... |