试题详情
(2004•天津)用换元法解分式方程:
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAFcAAAAqCAYAAADGdMdzAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
.
相关试题
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(2004•天津)用换元法解分式方程:
.
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(2004•天津)用换元法解分式方程:
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(2004•天津)用换元法解分式方程:
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(2004•天津)用换元法解分式方程:
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(2004•襄阳)用换元法解分式方程
,设
,则原分式方程换元整理后的整式方程为( )
A.y+![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAjCAYAAADxG9hnAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFnSURBVFhH5VeJDcMgDGQydmIdlvEojOLiQogh
FGiKCVIjRerDcz6fzaFwk0dtggM3BuIsaqXROgGu3msrVPQayDbIGQETBokAATTaYojPf/b7cCyV
1NAgAUaciyACEWCeAsITQcw3U5NoE2AkAiEm+hpZAOS9RRStZhWxTiNFETqrUSXxYq2PCIm17AaF
Th5ixKHVrarhDaeo85/bW+pRQaxF0dxr8aHpjb2jAWx81oyGMHncPozcyfXoHBp3PK05NGYfRian
+vZyf8oIb2rsnFmrEeraqZ0Gh8Y9ybLUOIDMoV1O32RUOFVEYUHdbRV+mlg9fSvOHexhdKdDaHnW
0oMAWpH7RAwq00v4LWokt/fOswEyRJBP9F7EXNaPQJhR8WiNIBtg6sY8A6I9E+claD4lVCmZIfKC
Pb6n8g3Vc6VsFpxUnZmhOvc7gQhXSS8gRRfB0sj2Jkn8722C3K3uG8DLWnwP1Ats0lNeYWacOQAA
AABJRU5ErkJggg==
)
B.y2+y=![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAC7SURBVDhPvZPZEYAwCESpjJ5oJ81QCqUgmBgh
ifqhY2Ycj3Cs7Avow4KPAqQoAij4RZyKWgtWwqKyf7ZnC4oxoCJtsyYyjQGxINOqxZl5oSGUaGKx
VEW+pjlIQYUuehFgKpOOoYJowfEvPOMY0jCDpYbRm6/MuvHc9DUXF/dfRcZhBR+qBnewI1SJitiB
MCei3rr5xGTSMxHlLJCBn1d3kwk1oJiZdOXpQNlcjnfwgzIbdrb6A5gbmPatDZps4PCLzCp3AAAA
AElFTkSuQmCC
)
C.2y2-3y+1=0
D.2y2-3y+2=0
-
(2004•襄阳)用换元法解分式方程
,设
,则原分式方程换元整理后的整式方程为( )
A.y+![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAjCAYAAADxG9hnAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFnSURBVFhH5VeJDcMgDGQydmIdlvEojOLiQogh
FGiKCVIjRerDcz6fzaFwk0dtggM3BuIsaqXROgGu3msrVPQayDbIGQETBokAATTaYojPf/b7cCyV
1NAgAUaciyACEWCeAsITQcw3U5NoE2AkAiEm+hpZAOS9RRStZhWxTiNFETqrUSXxYq2PCIm17AaF
Th5ixKHVrarhDaeo85/bW+pRQaxF0dxr8aHpjb2jAWx81oyGMHncPozcyfXoHBp3PK05NGYfRian
+vZyf8oIb2rsnFmrEeraqZ0Gh8Y9ybLUOIDMoV1O32RUOFVEYUHdbRV+mlg9fSvOHexhdKdDaHnW
0oMAWpH7RAwq00v4LWokt/fOswEyRJBP9F7EXNaPQJhR8WiNIBtg6sY8A6I9E+claD4lVCmZIfKC
Pb6n8g3Vc6VsFpxUnZmhOvc7gQhXSS8gRRfB0sj2Jkn8722C3K3uG8DLWnwP1Ats0lNeYWacOQAA
AABJRU5ErkJggg==
)
B.y2+y=![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAC7SURBVDhPvZPZEYAwCESpjJ5oJ81QCqUgmBgh
ifqhY2Ycj3Cs7Avow4KPAqQoAij4RZyKWgtWwqKyf7ZnC4oxoCJtsyYyjQGxINOqxZl5oSGUaGKx
VEW+pjlIQYUuehFgKpOOoYJowfEvPOMY0jCDpYbRm6/MuvHc9DUXF/dfRcZhBR+qBnewI1SJitiB
MCei3rr5xGTSMxHlLJCBn1d3kwk1oJiZdOXpQNlcjnfwgzIbdrb6A5gbmPatDZps4PCLzCp3AAAA
AElFTkSuQmCC
)
C.2y2-3y+1=0
D.2y2-3y+2=0
-
(2004•河北)用换元法解分式方程
时,如果设
,那么原方程可化为关于y的一元二次方程的一般形式是________.
-
(2004•河北)用换元法解分式方程
时,如果设
,那么原方程可化为关于y的一元二次方程的一般形式是________.
-
(2004•盐城)解分式方程
时,可设
=y,则原方程可化为整式方程是( )
A.y2+2y+1=0
B.y2+2y-1=0
C.y2-2y+1=0
D.y2-2y-1=0
-
(2004•盐城)解分式方程
时,可设
=y,则原方程可化为整式方程是( )
A.y2+2y+1=0
B.y2+2y-1=0
C.y2-2y+1=0
D.y2-2y-1=0