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。9 n( b: j2 r0 ] ?5 u) l
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...
3 c' Y5 A6 ^+ P3 |2 V公仔箱論壇den... left 4 balls...
5 n$ |* o7 [1 Z/ Etvb now,tvbnow,bttvbwhen 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。8 c0 u6 x$ I \7 [. M
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
) p4 h3 O; @6 H* atake the heavier or lighter 1... throw away tat 2 normal ball...
\/ _2 ?( W# t! nTVBNOW 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...tvb now,tvbnow,bttvb% B, u: T6 O& h6 _6 ~0 D& Q1 @
same for now... take the heavier or lighter 1... |