gensy850711

first divide it into 3 groups... 4 for each group...
# J! s8 _# `2 d" ]6 Ttvb 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...
8 v* e) s" c6 G2 Uden... left 4 balls...tvb now,tvbnow,bttvb* w! F+ q% y+ ^2 T/ e
when u use tat 3 groups to test... u oredi know it is heavier or not...
) X7 o, n9 B$ ~0 j5.39.217.77so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...# u; X0 ~/ Y; V! J/ q, h
take the heavier or lighter 1... throw away tat 2 normal ball...
/ L/ `8 L& i: v# _' B+ b2 n4 ITVBNOW 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。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。) }% a1 }3 M6 l; a6 g3 \
same for now... take the heavier or lighter 1...