gensy850711

first divide it into 3 groups... 4 for each group...
- P5 G2 P/ R8 P# t* i. ^( t4 ?. K8 @5.39.217.76den 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...tvb now,tvbnow,bttvb4 k8 d6 F' v1 V( \9 l7 V, _+ ^
den... left 4 balls...公仔箱論壇; C, [! x! ?5 @# Q5 d3 K' q, h+ c
when u use tat 3 groups to test... u oredi know it is heavier or not...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。2 R( R) k0 v( i% u& h
so when testing these 4 balls... u juz nit 2 find out the heavier or lighter 1...
' l5 H- v9 D5 B7 L9 dtake the heavier or lighter 1... throw away tat 2 normal ball...
4 a$ X3 L' x# ~& ?; \% j) }9 J# A4 |den u juz nit 2 test the last 2 balls...
  i  r, }! I2 lsame for now... take the heavier or lighter 1...