take out 10 balls and 5 in each side, }% B4 M' X4 I9 e
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.
7 K9 I3 p# N( u5 |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。/ u4 V7 Y: N+ {/ V- C, j
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.
* y4 k" q. B( d* @4 U8 O' dif 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.
8 U: z" I+ M, Z8 H8 K, rtvb now,tvbnow,bttvbtvb now,tvbnow,bttvb }0 K4 b( j& j X& k P$ D: _
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
| 
