first divide it into 3 groups... 4 for each group...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。6 t3 u8 F) F1 n+ e9 E5 s7 Y5 U
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...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。+ c% C2 g: `! a1 D' F9 n5 l' {. }( L
den... left 4 balls...
8 J3 G9 `1 \+ |9 G* u7 R! t. J0 htvb now,tvbnow,bttvbwhen u use tat 3 groups to test... u oredi know it is heavier or not...
, i% c" m0 D/ P/ y, X0 Aso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
) x y( N$ t" u. 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。take the heavier or lighter 1... throw away tat 2 normal ball...
) J: R! W# u4 [! I公仔箱論壇den u juz nit 2 test the last 2 balls...
5 q* n, \; X4 ]7 {0 ktvb now,tvbnow,bttvbsame for now... take the heavier or lighter 1... |