divde the 12 balls into 3 sets of 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。2 q" Y1 I( J ?9 m( u3 Q9 u
weight any 2 sets.; e- y% D9 k& i* r( q2 l' U9 T
if the 2 sets are equal, then you know the heavy one is in the third公仔箱論壇) }6 z; V/ i2 K- e
if one of the 2 is heavier, then the heavy one is in that set8 ]5 \ O$ |& ?4 s
then divide the 4 balls into 2.公仔箱論壇! w: Y4 F6 ~8 Y! ~" _
weigh them6 I' I( E1 p# R0 J* p2 V# }# F
and divide the heavier into 1
& m) ]1 B9 A1 m0 z" g! l7 dTVBNOW 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。and weight them.www3.tvboxnow.com, A$ i* }8 j p
3 x weighing and get the ans. 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。' s1 y3 C, x6 p9 T. V0 a
in less than 15 secs. |