first divide it into 3 groups... 4 for each group...
3 i. m; i& {" x. r8 Q& `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...5.39.217.77 C6 w- k& ?) i7 }
den... left 4 balls...
t. w: @6 v T9 [/ L% R; M1 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。when u use tat 3 groups to test... u oredi know it is heavier or not...
{; {; s4 R, Z- mtvb now,tvbnow,bttvbso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
9 @; P) E8 K4 f( @5.39.217.77take the heavier or lighter 1... throw away tat 2 normal ball...tvb now,tvbnow,bttvb7 V& A& p6 L$ {! c
den u juz nit 2 test the last 2 balls...
( y/ |5 j* u8 L5 Y* Hsame for now... take the heavier or lighter 1... |