gensy850711

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。0 H3 Y+ x; q1 y7 N
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...8 R$ |3 m/ t1 C* V! u5 y' I
den... left 4 balls...
0 i  j4 t! G2 Z) q$ E1 I- o/ j6 W公仔箱論壇when u use tat 3 groups to test... u oredi know it is heavier or not...
! d  K' n2 Y, y- D7 Q% N- TTVBNOW 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。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。$ z$ ?! ?' k9 b( j. q' a5 e5 F" L
take the heavier or lighter 1... throw away tat 2 normal ball...
$ N5 X8 [' M- H& YTVBNOW 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...
& M( n7 E/ i3 m, `& a( R/ MTVBNOW 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。same for now... take the heavier or lighter 1...