first divide it into 3 groups... 4 for each group...
) h* @! s5 s6 X8 {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 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...公仔箱論壇2 s) O% V ]7 T; M# u
den... left 4 balls...
# R- @! h: J4 U% S" k; U6 m" dtvb 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。0 P1 N- g6 H( W5 D2 F; _% P( b
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...tvb now,tvbnow,bttvb4 w& S- g3 f. D* ^' R1 M2 e
take the heavier or lighter 1... throw away tat 2 normal ball...
& M* p: N7 u( R. U, ?den u juz nit 2 test the last 2 balls...os.tvboxnow.com8 H" U) t d& k5 ]; ?2 P# I
same for now... take the heavier or lighter 1... |