; 10-22-2014 07:09 PM
Q63 : (1) ( ) 8:
- - 2
( ) .. 1) ( ) 2) 3 ɿ
http://img103.herosh.com/2012/02/10/192400973.jpg ( ) 3 2
/ : ( ) : ( ) : a x + b = - x + 2 ( )
: 1 (0 1 )
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