take out 10 balls and 5 in each side5 E( i' J' C6 F
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.
* u# W3 Y2 } w# q公仔箱論壇
, s0 \% q) }7 z. d: C9 x0 r5 Yif 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.
/ \- K: w' } p( T( |公仔箱論壇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.
7 o, k0 I4 I+ y1 H/ v( Y
1 Z# a6 c, f1 Utvb now,tvbnow,bttvbused 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
| 
