first divide it into 3 groups... 4 for each group...
' O/ I5 g* a4 G! H# C: t. V {tvb 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...www3.tvboxnow.com% |+ y# O, U w8 ~7 [+ u$ x4 M
den... left 4 balls...
8 f( L. J& N9 ?7 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。when u use tat 3 groups to test... u oredi know it is heavier or not...
* ~( F- w/ Y, J9 V4 b5 ~www3.tvboxnow.comso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
3 s+ v+ R+ ^( p- k9 ]/ Z2 Awww3.tvboxnow.comtake the heavier or lighter 1... throw away tat 2 normal ball...6 I0 y$ v, U$ d
den u juz nit 2 test the last 2 balls...公仔箱論壇, _. h5 P2 h- N
same for now... take the heavier or lighter 1... |