2016-05-17 | 0
(2x3-x2+5x+1)÷(2x+1)为余式为( )
A.-2
B.
C.1
D.2
2016-05-18 | 0
2016-05-19 | 0
2016-05-22 | 0
2016-05-23 | 0
2016-05-24 | 0
2016-05-25 | 0