first divide it into 3 groups... 4 for each group...tvb now,tvbnow,bttvb, O. f1 h6 _. Z4 F% l
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,bttvb7 \) [! ]/ W( x* m
den... left 4 balls... h0 e& D1 z+ K" i0 i6 y. q8 ]8 x
when u use tat 3 groups to test... u oredi know it is heavier or not...2 S" f! S; p) h7 ~
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
% R/ J$ M4 v( O: w) {公仔箱論壇take the heavier or lighter 1... throw away tat 2 normal ball...
3 E# F2 _" z% b6 O, hden 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。2 i( n. d D4 X2 a1 S
same for now... take the heavier or lighter 1... |