first divide it into 3 groups... 4 for each group...% Q0 e7 v, V- o$ Y5 _
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...
9 U7 m7 v" ~+ X" i) x' f5 ntvb now,tvbnow,bttvbden... left 4 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。5 {" V, R7 E8 Q, \/ b2 Y
when u use tat 3 groups to test... u oredi know it is heavier or not...www3.tvboxnow.com! Z" i; |7 ]3 X6 K6 x# o
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...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。- \2 t% T6 D" A J
take the heavier or lighter 1... throw away tat 2 normal ball...
2 H7 n, u& I6 F' i; m n公仔箱論壇den u juz nit 2 test the last 2 balls...公仔箱論壇) I# W5 o$ d3 ~4 |. h2 C. I
same for now... take the heavier or lighter 1... |