Divide the 12 balls into 4 groups of 3's.tvb now,tvbnow,bttvb' z# W' j/ e2 l" p
Weigh group 1 & 2tvb now,tvbnow,bttvb& _; C* f/ w, F; d- i6 z
then weigh group 2 & 3 : d. C: @6 J0 [1 HIf the results are Equal & Equal, it means the ball with the different weight is in group 4. 6 v# D. H! ]9 V0 aIf the results are Equal & Unequal, it means the ball is in group 3. + f0 N) o! u* \* k: `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。If the results are Unequal & Equal, it means the ball is in group 1. 0 O- m9 Z1 K" V% n- DIf the results are Unequal & Unequal, it means the ball is in group 2.www1.tvboxnow.com) o: h m: Z6 Z/ a
. u! q& G, V( h5 m2 w% ]公仔箱論壇Once you determine the group that contains the ball. 0 B% v0 c2 f0 y/ l. f! TTVBNOW 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