first divide it into 3 groups... 4 for each group...
2 ?3 }9 J' d8 t4 I) d$ x# 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。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。& O7 T) T, A$ U
den... left 4 balls...
% K' y: M. A' c7 B( vTVBNOW 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。when u use tat 3 groups to test... u oredi know it is heavier or not...9 ]. b& G d; v) M$ L/ c* J
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
- ^, N+ p. I N1 \1 CTVBNOW 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...
( l- L( y# g, V, U/ mtvb now,tvbnow,bttvbden u juz nit 2 test the last 2 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。$ M! X: d4 R6 |0 k+ w1 T+ F/ X
same for now... take the heavier or lighter 1... |