first divide it into 3 groups... 4 for each group...( |+ e! h0 o: b) Y- B- p
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...
; j% y9 U9 g- ~, R0 w" Ftvb now,tvbnow,bttvbden... left 4 balls..." l* G) l( k" s* [* _; D
when u use tat 3 groups to test... u oredi know it is heavier or not...www.tvboxnow.com2 x) Z; I) j4 @% F2 T4 [; ]* ]- {
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。# ?! O9 U e( \5 C! j4 g
take the heavier or lighter 1... throw away tat 2 normal ball...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 W/ Y- P, {0 f* N
den u juz nit 2 test the last 2 balls...
( X2 ?/ ]/ c/ a/ W$ Ttvb now,tvbnow,bttvbsame for now... take the heavier or lighter 1... |