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(2005•黄石)解方程-3=0,如果设=y,那么原方程可化为A.y2+3y+2=0B.y...
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(2005•黄石)解方程
-3=0,如果设
=y,那么原方程可化为( )
A.y
2+3y+2=0
B.y
2-3y+2=0
C.y
2+3y-2=0
D.y
2-3y-2=0
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