first divide it into 3 groups... 4 for each group...公仔箱論壇) | l1 j$ Y) i
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...
/ t& F! @) F% a( q" m3 M. ]; gTVBNOW 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... left 4 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。: N& H* f* T. ]1 Y1 P
when u use tat 3 groups to test... u oredi know it is heavier or not...
. \6 P4 Z' l" }$ a+ Yso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
3 D3 }; y! X0 } f' T: }& xtvb now,tvbnow,bttvbtake the heavier or lighter 1... throw away tat 2 normal ball...tvb now,tvbnow,bttvb8 B2 M; p; ^5 i! N# n! o9 U
den u juz nit 2 test the last 2 balls...
5 K' C4 K! x; q) ~) H, F$ e/ ewww2.tvboxnow.comsame for now... take the heavier or lighter 1... |