gensy850711

first divide it into 3 groups... 4 for each group...tvb now,tvbnow,bttvb# N. T! r- i( B
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...2 P2 ~9 X0 t. r1 w2 V4 s
den... left 4 balls...
( Q& j; Z2 k5 U8 stvb now,tvbnow,bttvbwhen u use tat 3 groups to test... u oredi know it is heavier or not...) A2 s! K/ f( ~6 P+ I
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...% M5 l1 ~% j# X2 F/ d
take the heavier or lighter 1... throw away tat 2 normal ball...' [4 G0 Y3 W& g* T. j0 K
den u juz nit 2 test the last 2 balls...
" k% M' X) V) OTVBNOW 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...