first divide it into 3 groups... 4 for each group...公仔箱論壇, e1 G2 T0 ?5 ~9 d3 _3 E
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...
M* _+ |$ a" q: l. F; Sden... left 4 balls...www3.tvboxnow.com& ~( b/ U$ v7 Z X3 Z, I$ n
when u use tat 3 groups to test... u oredi know it is heavier or not...tvb now,tvbnow,bttvb) @) u% _4 F/ R$ [, O! W5 t9 p9 g4 `
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
+ t# S+ C) T% B: s owww3.tvboxnow.comtake the heavier or lighter 1... throw away tat 2 normal ball...
" c8 H# c. v1 p s4 A' }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。den u juz nit 2 test the last 2 balls...公仔箱論壇) Y7 d- z5 E& f/ u S
same for now... take the heavier or lighter 1... |