take out 10 balls and 5 in each side w0 u |2 a1 `, E- S3 R
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.
2 s6 s8 X. v5 V' @2 ?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。tvb now,tvbnow,bttvb* p* r% r. `; K( T' v6 N# F: W
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.
4 v$ t% i& G2 h: w, Vif 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.% ]0 U3 Y4 Z, y, K$ [4 a, l3 f
, Q5 e, A# ~) H; F' S( O3 a" K) X! ]
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
| 
