first divide it into 3 groups... 4 for each group...
7 i2 W$ X- p& b, K7 Gtvb now,tvbnow,bttvbden 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...
! S8 d s) ~% t w& Y6 l( I5 a5.39.217.77:8898den... left 4 balls.../ n4 m1 P! X, N5 ^5 ]( s, b
when u use tat 3 groups to test... u oredi know it is heavier or not...
/ S4 G+ z% V4 Q6 Q9 n4 A5 A; t( hTVBNOW 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。so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...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。. |& v; X6 k7 k, c6 n+ Z: b
take the heavier or lighter 1... throw away tat 2 normal ball...
- g$ K( Y6 x7 p) I b0 H公仔箱論壇den u juz nit 2 test the last 2 balls...
D1 M' o& _- B: r$ I5.39.217.77:8898same for now... take the heavier or lighter 1... |