take 4 balls as a group, 3 groups - A B C
% p" D2 s" O$ f; \# d2 Jweigh A & B (ex. B heavier)
6 g, N' a) [& c+ c( pthen weigh B & C (B & C same weight)
0 p- Y- \/ o. w3 p, P6 mTVBNOW 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。to find which group has the weight difference and find out is it (A is lighter)
8 W/ k3 s0 C" D& E) w: ]www1.tvboxnow.comheavier or lightertvb now,tvbnow,bttvb+ y! }, q; V# F! y9 u9 J/ a! H
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
+ P) N8 ?0 y. d* K( y5 ewww1.tvboxnow.commeasure E vs F to find which 1 is lighter.... |