Divide the 12 balls into 4 groups of 3's. 2 S G2 j2 z' q1 i& {' d5.39.217.77:8898Weigh group 1 & 2 $ v q8 y! \5 r7 H! C. @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 weigh group 2 & 35 P0 Q& c. \, H" @6 l
If the results are Equal & Equal, it means the ball with the different weight is in group 4. ~' d5 K9 D& P0 Z. L
If the results are Equal & Unequal, it means the ball is in group 3.9 p* }3 o1 ]- ]& P4 l, r0 f
If the results are Unequal & Equal, it means the ball is in group 1. : f% ~4 v. p& K) e& o2 ~3 W5.39.217.77:8898If the results are Unequal & Unequal, it means the ball is in group 2.5.39.217.77:8898* ]( ^: w$ M5 r9 V# i
; l0 X! T. z4 A/ W公仔箱論壇Once you determine the group that contains the ball.tvb now,tvbnow,bttvb3 L) o: p3 W7 I
Simply weigh two of the balls