first divide it into 3 groups... 4 for each group...
0 e. P/ k; b0 p, ~! L2 J7 m1 d; ltvb now,tvbnow,bttvbden 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' Y1 |' l" a! I5 ]+ k. P
den... left 4 balls...tvb now,tvbnow,bttvb/ j" o( K! \' l9 \
when u use tat 3 groups to test... u oredi know it is heavier or not...
6 v2 ?$ u8 N/ u& N# A \, fTVBNOW 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...
0 ~5 i+ ~" K2 y* xtake 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。, _ z, [$ K* a% ^2 j2 z5 Q+ n [" Y: T
den u juz nit 2 test the last 2 balls...5.39.217.77- d/ M* Y% f1 y8 e" l# v0 r6 ~
same for now... take the heavier or lighter 1... |