first divide it into 3 groups... 4 for each group...
) B6 v# s/ P- q; f; d5.39.217.76den 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...5.39.217.76+ t/ D! O; s& D) t' f4 H8 n% e
den... left 4 balls...tvb now,tvbnow,bttvb- X4 I [/ Z+ k# Z F5 k. N
when u use tat 3 groups to test... u oredi know it is heavier or not...
0 J5 m+ t# [) I9 C& [6 J6 Wtvb now,tvbnow,bttvbso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
, F+ V- Y$ I: A) h8 ` 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。take the heavier or lighter 1... throw away tat 2 normal ball..., p; Q% L6 Z2 ]" O$ n0 t' Q0 Y
den u juz nit 2 test the last 2 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。( H# G, i4 D2 W! w$ L
same for now... take the heavier or lighter 1... |