first divide it into 3 groups... 4 for each group...) c+ M; Y1 E/ g6 U- _( k5 e1 ^: G
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...tvb now,tvbnow,bttvb: j6 h, p) Q, Y6 r2 }! s1 E, ^
den... 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 x8 l) M3 ?6 z3 U* a: T5 p9 r& D
when u use tat 3 groups to test... u oredi know it is heavier or not...tvb now,tvbnow,bttvb0 v8 [! O5 C7 p1 j: Y2 }
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...! C! o7 T4 K* i. r8 J2 q1 e
take the heavier or lighter 1... throw away tat 2 normal ball..., {: G0 B7 `* a S$ q
den u juz nit 2 test the last 2 balls...
/ g; r" g; ^: Q* pTVBNOW 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... |