divde the 12 balls into 3 sets of 4.
G1 [8 A" _, h( Aweight any 2 sets.公仔箱論壇# Y2 W, q3 B A* Z4 f w" q
if the 2 sets are equal, then you know the heavy one is in the thirdTVBNOW 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。0 k3 V4 v1 S- r, K9 o5 R
if one of the 2 is heavier, then the heavy one is in that set
5 L4 r. e& Z0 _4 [% u2 Q* 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。then divide the 4 balls into 2.$ i |% N U8 }( [5 v. m, L5 O
weigh themTVBNOW 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。5 c1 r% _$ q: u# A
and divide the heavier into 1公仔箱論壇" m3 I) {. u; Z0 u! g) ?
and weight them.
# y% K( J& ^+ }7 e9 W# }tvb now,tvbnow,bttvb3 x weighing and get the ans.
1 H6 e. R% t! Gtvb now,tvbnow,bttvbin less than 15 secs. |