Divide the 12 balls into 4 groups of 3's.8 w% J8 L( N: X! p R1 P! U z
Weigh group 1 & 2TVBNOW 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。4 c5 K% f# A- A, p' b% P) H
then weigh group 2 & 3公仔箱論壇 A$ f+ E3 B5 U9 D0 Z
If the results are Equal & Equal, it means the ball with the different weight is in group 4.os.tvboxnow.com) V/ ?& o- G6 ?: S8 h$ r6 u
If the results are Equal & Unequal, it means the ball is in group 3.) l# k% d6 [% O, E( P
If the results are Unequal & Equal, it means the ball is in group 1.! N" Y: m* Q$ j" I: o
If the results are Unequal & Unequal, it means the ball is in group 2.os.tvboxnow.com6 w) _- @# V$ X4 J0 X
/ R5 ^5 b1 E) y& a6 J8 a! w% gOnce you determine the group that contains the ball. , d( A6 Y2 w, ?1 O. Y! w, mTVBNOW 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。Simply weigh two of the balls