take out 10 balls and 5 in each side公仔箱論壇9 C- W' |& u* z4 G, L0 P
if both side balance mean the other 2 balls one of them must be the heavy one then just take them to weight will find out which one is heavier.
5 r. ~5 Z9 c# y公仔箱論壇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。. @& e* j7 w, L+ I+ L
if the heavy ball is inside the 10 balls, take out 4 balls from the heavier side which had 5 balls to weight 2 balls in each side., ]$ S/ S( {) p
if both side balance, which mean the one left is heavy one if not, just take the heavier side to weight will find out which one is the heaviest one.
! o( D$ \$ h. V8 E4 A$ u! W' w# _2 j1 D2 q9 P
used less then 1 min to find out the answer.... |
發表於 2007-12-31 05:47 AM
| 
發表於 2008-1-1 08:48 AM
| 
