first divide it into 3 groups... 4 for each group...5.39.217.767 k- ?2 \4 S! F. g& b
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...
2 t. m+ R: \& u8 ^3 B( }+ MTVBNOW 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...
$ A: k6 Y3 c' W9 @公仔箱論壇when u use tat 3 groups to test... u oredi know it is heavier or not...
6 l. y* C- C4 P8 }% Q* @, q" aso when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...tvb now,tvbnow,bttvb" h3 Y* w) f: y2 k% }# E3 z6 `. A
take the heavier or lighter 1... throw away tat 2 normal ball...
6 {0 X8 P% E: T. T' `公仔箱論壇den u juz nit 2 test the last 2 balls...tvb now,tvbnow,bttvb7 \" m+ D# |. G! ` L( \
same for now... take the heavier or lighter 1... |