take 4 balls as a group, 3 groups - A B C5.39.217.76, P& `" p( Y) k( p; m2 p' H/ m; ~. k
weigh A & B (ex. B heavier)
: G4 Z% h; s0 O/ I! `6 h3 NTVBNOW 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。then weigh B & C (B & C same weight)
! R9 _' I5 K/ jTVBNOW 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)
/ Q R e8 L0 e; v6 l* dTVBNOW 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。heavier or lighter5.39.217.76( P3 d! k' |. k2 I1 \
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
% p' R* m- @% s! a9 Smeasure E vs F to find which 1 is lighter.... |