first divide it into 3 groups... 4 for each group...# P- v: N! z$ l) O9 K( D
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...tvb now,tvbnow,bttvb! j7 C3 |1 Z( ?* g
den... left 4 balls...
# ^& N& l' ~3 A& V) _www2.tvboxnow.comwhen u use tat 3 groups to test... u oredi know it is heavier or not...tvb now,tvbnow,bttvb- L: r/ T4 p- r0 S, f6 ~
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
& M5 G9 e6 R$ ]8 c: ltvb now,tvbnow,bttvbtake the heavier or lighter 1... throw away tat 2 normal ball...
3 {" T r: p: T公仔箱論壇den u juz nit 2 test the last 2 balls...
* H9 ]+ ~0 I* n" q$ @; o8 O. ?+ TTVBNOW 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... |