take 4 balls as a group, 3 groups - A B C
* j7 Z- a: u% l2 TTVBNOW 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。weigh A & B (ex. B heavier)" F: k+ L, B" @
then weigh B & C (B & C same weight)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。3 ^4 s5 ] s1 p7 q: S& h: Z( k
to find which group has the weight difference and find out is it (A is lighter)( t0 e$ j. ~ F
heavier or lighter
, K8 e% J' k; X& P# V5.39.217.77then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)9 y" {2 i( [1 O! ~% g, ^, P
measure E vs F to find which 1 is lighter.... |