take 4 balls as a group, 3 groups - A B C9 A5 v9 f1 h! e" I& [1 R) L
weigh A & B (ex. B heavier)
9 T1 r2 R. m& E1 V+ QTVBNOW 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)
' a2 u: d7 }5 y9 I+ ~! w公仔箱論壇to find which group has the weight difference and find out is it (A is lighter)' R1 }. a( V4 }' ]
heavier or lighter
: f+ d& q4 |; O" ~# nthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
0 K+ d; H* X N+ z/ X5 U0 e公仔箱論壇measure E vs F to find which 1 is lighter.... |