first divide it into 3 groups... 4 for each group...
# ^, W0 d( j, R4 m8 Yden 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。8 Q3 F9 m' ]) C6 L P
den... left 4 balls...
3 N2 }+ q7 \1 i) v# Xtvb now,tvbnow,bttvbwhen u use tat 3 groups to test... u oredi know it is heavier or not...
( P$ w* ~! I" H' [tvb now,tvbnow,bttvbso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
( V% Q; v* p6 V+ S! c; p2 U( zTVBNOW 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...
" I; I1 z* \9 h$ o @- d/ \) \tvb now,tvbnow,bttvbden u juz nit 2 test the last 2 balls...
3 C: c: X4 Q. W! s7 }) \+ `same for now... take the heavier or lighter 1... |