Divide the 12 balls into 4 groups of 3's. 2 R7 H) o( `# W+ v$ X, oWeigh group 1 & 2公仔箱論壇# _2 H6 y8 s. T7 B; D
then weigh group 2 & 3 / |% X0 c- o$ C; ^If the results are Equal & Equal, it means the ball with the different weight is in group 4.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。 f `( [5 v- h, P( p* \. {% F( D; X- c3 y
If the results are Equal & Unequal, it means the ball is in group 3.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。# O: D4 \( {+ z
If the results are Unequal & Equal, it means the ball is in group 1. - ~/ m% T; {( V: L3 U( Q2 HIf the results are Unequal & Unequal, it means the ball is in group 2.$ T3 i2 t- F" L+ F& p, N* t
2 C5 A$ L4 z) L2 w1 v0 \Once you determine the group that contains the ball.tvboxnow.com# ?1 s1 V) z) ]; e4 X
Simply weigh two of the balls