take 4 balls as a group, 3 groups - A B C
% W) X4 @% ~1 Z% n4 J! C0 C. }( J公仔箱論壇weigh A & B (ex. B heavier)
+ c9 K* S. `& U. K' u ~5 Vthen weigh B & C (B & C same weight)tvb now,tvbnow,bttvb( s' B! Z$ O6 E5 V# a. N) o( U
to find which group has the weight difference and find out is it (A is lighter)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。5 k. x4 A2 p# ]6 y9 E( N
heavier or lighter5.39.217.76. X4 h, Q& d5 a
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
: h2 I5 x& g; V) k! ~1 ^$ |" hmeasure E vs F to find which 1 is lighter.... |