gensy850711

first divide it into 3 groups... 4 for each group...5.39.217.77:88988 V- U- [4 ~2 \$ z
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...
& M$ z, L& o" n) Z, Z% G1 G5.39.217.77:8898den... left 4 balls...3 P& s) ~/ s+ X, E3 Z. ?
when u use tat 3 groups to test... u oredi know it is heavier or not...
& b# z; c: T  a7 S* C  Z" N; }so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
+ m; |. q5 U. A, L% [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。take the heavier or lighter 1... throw away tat 2 normal ball...
+ ?, _5 D' Q' T  W! aden u juz nit 2 test the last 2 balls...
) v1 `( _+ _  yTVBNOW 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。same for now... take the heavier or lighter 1...