sitsky

take 4 balls as a group, 3 groups - A B C
9 f5 u2 \+ O2 S9 vweigh A & B (ex. B heavier)
' x: G5 ]8 E1 s7 U  L$ V' Vtvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)tvb now,tvbnow,bttvb" S% l# T% Y6 u; Z$ \
to find which group has the weight difference and find out is it (A is lighter)
7 b$ e( K- h; [0 ~. a5 I# _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。heavier or lighter
$ l/ z: p( h1 Mtvb now,tvbnow,bttvbthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
" |3 g0 a! [$ ~4 i$ s7 VTVBNOW 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。measure E vs F to find which 1 is lighter....