first divide it into 3 groups... 4 for each group...
" |! i; F7 J! D7 w. n5 fden 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...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。' e1 E2 ^7 w _0 H7 x- R
den... left 4 balls..., O* y, e% t3 @2 L1 Z
when u use tat 3 groups to test... u oredi know it is heavier or not...
' p7 w0 T/ v, F0 K7 Ctvb now,tvbnow,bttvbso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...: y; s" f* ` r1 r, `7 O' s1 }3 `0 T
take the heavier or lighter 1... throw away tat 2 normal ball...
1 [: X; l% N+ Z0 D! }tvb now,tvbnow,bttvbden 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。$ u; l; s8 U" t8 c+ O+ `" ^
same for now... take the heavier or lighter 1... |