take 4 balls as a group, 3 groups - A B C
7 k' w( b% N0 {2 D# F' p! V, iTVBNOW 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)os.tvboxnow.com! V/ d( c: L( {. e" g
then weigh B & C (B & C same weight)% e9 Y+ \, y7 r
to find which group has the weight difference and find out is it (A is lighter)
, c) J2 o+ `+ [# w2 q) m3 z2 Zheavier or lighter
6 x) w. V$ R$ G$ ?. [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。then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)公仔箱論壇/ v, Y, s& n! k- e" {& p- t( Z3 E
measure E vs F to find which 1 is lighter.... |