first divide it into 3 groups... 4 for each group...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。/ W# ~2 |% Z d: `0 A7 v$ H3 j" Q
den 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...
6 i1 B8 ~0 c2 Z( v6 g' E; x5 `6 Kden... left 4 balls...tvb now,tvbnow,bttvb* F4 B5 F5 J% ~ z0 r* x4 j! e
when u use tat 3 groups to test... u oredi know it is heavier or not...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。$ L' C' ?3 k, h c( D& \
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
( ?. s! z' c2 k( Gtake the heavier or lighter 1... throw away tat 2 normal ball...
i* {. K5 @. `3 J( vden u juz nit 2 test the last 2 balls...
0 s0 P7 j' T L# ?) m( qtvb now,tvbnow,bttvbsame for now... take the heavier or lighter 1... |