first divide it into 3 groups... 4 for each group...
: p, P6 N) N$ p, D. }- u' B; Ctvb now,tvbnow,bttvbden use 2 groups to test... if the weight is same... den throw away these 2 groups.. if not... use another 1 group to test with tat 2 groups... throw away the same weight groups...
* C6 @2 t/ P# Z3 v' mden... left 4 balls...
7 v) H5 z" I* l$ m( D; z4 k8 R$ c% Ywww.tvboxnow.comwhen u use tat 3 groups to test... u oredi know it is heavier or not...tvb now,tvbnow,bttvb- ^4 o( a( |' V+ h3 [0 c# Q
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
2 W2 R' W2 Z( }5 t2 r1 j) Utvb now,tvbnow,bttvbtake the heavier or lighter 1... throw away tat 2 normal ball...www.tvboxnow.com4 V# [3 R' f }% ?8 l8 y3 |' U! I5 p
den u juz nit 2 test the last 2 balls...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。$ v! t; L' q7 `3 O+ @
same for now... take the heavier or lighter 1... |