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已知整式6x-1的值是2,y2-y的值是2,则(5x2y+5xy-7x)-(4x2y+5x...
试题详情
已知整式6x-1的值是2,y
2-y的值是2,则(5x
2y+5xy-7x)-(4x
2y+5xy-7x)=( )
A.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAjCAYAAACdHYpiAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACjSURBVEhL7ZXbDYAwCEWZjJ1Yh2UYhVGQ+mqN
qVWa+Ei0afzyyCWnFKzzgc7v7UaAsiGgsW5rPleBkAGA7yhg/KkY/YBP92CUKHkwbZIs0zmRDg7M
CwBCOduScX2XYSsxmhF20KKZidkEtAbO5wBqjB0iKWOHia4zsUQr8NKJTX2FIggtwzQC8ImchQwA
aqrjfEFcFClQwVbl5wH7o3WxB28EDOOfLI4GxsAUAAAAAElFTkSuQmCC
)
或-
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
B.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACKSURBVDhP3ZPdDcAgCISZjJ1Yh2UYhVEoahv7
I9IH04eaGF8ud/odgiULFgqUDQGN9erZIoQMAHxHgqYy+rmgQioc2ibpsFZ2EdSaRxwXG53FNHdY
OFHVSo1xAkoZJyQdN7FEDm5N7AFBhNAxrCOBT3RvbyAQ6jWfaeL+QW4kk2emHF4Ins180OYGTajm
K+eV5lcAAAAASUVORK5CYII=
)
或
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAjCAYAAACdHYpiAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADGSURBVEhL7ZXhDYQgDIU7GTt1nS7TURil12oE
epwWMTHn5UyI8YcffY/2AXLxgYv/y42ATJIgCWVf81gFjAIAumYBy6Ys+Ac82oOliawP1oVcm2ms
kQ4G5gsAjFXbprG8W7E7MkIJHbQx05ghIAqcpwBKoKjhiaQNpViCdWE5DQsVhTSnEwIys9sxU3JV
hIDuFEzOmQreAdZ488Pk/FjRJyRkoYSazTP3goU69nfCcAXmvJsrNXL7DiV8ntYqJQT8yjAd6HgB
+KgvZzdUACUAAAAASUVORK5CYII=
)
C.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAjCAYAAACdHYpiAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACjSURBVEhL7ZXbDYAwCEWZjJ1Yh2UYhVGQ+mqN
qVWa+Ei0afzyyCWnFKzzgc7v7UaAsiGgsW5rPleBkAGA7yhg/KkY/YBP92CUKHkwbZIs0zmRDg7M
CwBCOduScX2XYSsxmhF20KKZidkEtAbO5wBqjB0iKWOHia4zsUQr8NKJTX2FIggtwzQC8ImchQwA
aqrjfEFcFClQwVbl5wH7o3WxB28EDOOfLI4GxsAUAAAAAElFTkSuQmCC
)
或
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
D.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACKSURBVDhP3ZPdDcAgCISZjJ1Yh2UYhVEoahv7
I9IH04eaGF8ud/odgiULFgqUDQGN9erZIoQMAHxHgqYy+rmgQioc2ibpsFZ2EdSaRxwXG53FNHdY
OFHVSo1xAkoZJyQdN7FEDm5N7AFBhNAxrCOBT3RvbyAQ6jWfaeL+QW4kk2emHF4Ins180OYGTajm
K+eV5lcAAAAASUVORK5CYII=
)
或
相关试题
-
已知整式6x-1的值是2,y2-y的值是2,则(5x2y+5xy-7x)-(4x2y+5xy-7x)=( )
A.
或-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
B.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAjCAYAAACdHYpiAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADGSURBVEhL7ZXhDYQgDIU7GTt1nS7TURil12oE
epwWMTHn5UyI8YcffY/2AXLxgYv/y42ATJIgCWVf81gFjAIAumYBy6Ys+Ac82oOliawP1oVcm2ms
kQ4G5gsAjFXbprG8W7E7MkIJHbQx05ghIAqcpwBKoKjhiaQNpViCdWE5DQsVhTSnEwIys9sxU3JV
hIDuFEzOmQreAdZ488Pk/FjRJyRkoYSazTP3goU69nfCcAXmvJsrNXL7DiV8ntYqJQT8yjAd6HgB
+KgvZzdUACUAAAAASUVORK5CYII=
)
C.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
D.
或
-
已知整式6x-1的值是2,y2-y的值是2,则(5x2y+5xy-7x)-(4x2y+5xy-7x)=( )
A.
或-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
B.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAjCAYAAACdHYpiAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADGSURBVEhL7ZXhDYQgDIU7GTt1nS7TURil12oE
epwWMTHn5UyI8YcffY/2AXLxgYv/y42ATJIgCWVf81gFjAIAumYBy6Ys+Ac82oOliawP1oVcm2ms
kQ4G5gsAjFXbprG8W7E7MkIJHbQx05ghIAqcpwBKoKjhiaQNpViCdWE5DQsVhTSnEwIys9sxU3JV
hIDuFEzOmQreAdZ488Pk/FjRJyRkoYSazTP3goU69nfCcAXmvJsrNXL7DiV8ntYqJQT8yjAd6HgB
+KgvZzdUACUAAAAASUVORK5CYII=
)
C.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
D.
或
-
已知整式6x-1的值是2,y2-y的值是2,则(5x2y+5xy-7x)-(4x2y+5xy-7x)=( )
A.
或-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
B.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAjCAYAAACdHYpiAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADGSURBVEhL7ZXhDYQgDIU7GTt1nS7TURil12oE
epwWMTHn5UyI8YcffY/2AXLxgYv/y42ATJIgCWVf81gFjAIAumYBy6Ys+Ac82oOliawP1oVcm2ms
kQ4G5gsAjFXbprG8W7E7MkIJHbQx05ghIAqcpwBKoKjhiaQNpViCdWE5DQsVhTSnEwIys9sxU3JV
hIDuFEzOmQreAdZ488Pk/FjRJyRkoYSazTP3goU69nfCcAXmvJsrNXL7DiV8ntYqJQT8yjAd6HgB
+KgvZzdUACUAAAAASUVORK5CYII=
)
C.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
D.
或
-
已知整式6x-1的值是2,y2-y的值是2,则(5x2y+5xy-7x)-(4x2y+5xy-7x)=( )
A.
或-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
B.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAjCAYAAACdHYpiAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADGSURBVEhL7ZXhDYQgDIU7GTt1nS7TURil12oE
epwWMTHn5UyI8YcffY/2AXLxgYv/y42ATJIgCWVf81gFjAIAumYBy6Ys+Ac82oOliawP1oVcm2ms
kQ4G5gsAjFXbprG8W7E7MkIJHbQx05ghIAqcpwBKoKjhiaQNpViCdWE5DQsVhTSnEwIys9sxU3JV
hIDuFEzOmQreAdZ488Pk/FjRJyRkoYSazTP3goU69nfCcAXmvJsrNXL7DiV8ntYqJQT8yjAd6HgB
+KgvZzdUACUAAAAASUVORK5CYII=
)
C.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
D.
或
-
已知整式6x-1的值是2,y2-y的值是2,则(5x2y+5xy-7x)-(4x2y+5xy-7x)=( )
A.
或-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
B.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAjCAYAAACdHYpiAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADGSURBVEhL7ZXhDYQgDIU7GTt1nS7TURil12oE
epwWMTHn5UyI8YcffY/2AXLxgYv/y42ATJIgCWVf81gFjAIAumYBy6Ys+Ac82oOliawP1oVcm2ms
kQ4G5gsAjFXbprG8W7E7MkIJHbQx05ghIAqcpwBKoKjhiaQNpViCdWE5DQsVhTSnEwIys9sxU3JV
hIDuFEzOmQreAdZ488Pk/FjRJyRkoYSazTP3goU69nfCcAXmvJsrNXL7DiV8ntYqJQT8yjAd6HgB
+KgvZzdUACUAAAAASUVORK5CYII=
)
C.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
D.
或
-
已知整式6x-1的值是2,y2-y的值是2,则(5x2y+5xy-7x)-(4x2y+5xy-7x)=( )
A.
或-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
B.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAjCAYAAACdHYpiAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADGSURBVEhL7ZXhDYQgDIU7GTt1nS7TURil12oE
epwWMTHn5UyI8YcffY/2AXLxgYv/y42ATJIgCWVf81gFjAIAumYBy6Ys+Ac82oOliawP1oVcm2ms
kQ4G5gsAjFXbprG8W7E7MkIJHbQx05ghIAqcpwBKoKjhiaQNpViCdWE5DQsVhTSnEwIys9sxU3JV
hIDuFEzOmQreAdZ488Pk/FjRJyRkoYSazTP3goU69nfCcAXmvJsrNXL7DiV8ntYqJQT8yjAd6HgB
+KgvZzdUACUAAAAASUVORK5CYII=
)
C.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
D.
或
-
已知整式6x-1的值是2,y2-y的值是2,则(5x2y+5xy-7x)-(4x2y+5xy-7x)=( )
A.
或-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
B.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAjCAYAAACdHYpiAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADGSURBVEhL7ZXhDYQgDIU7GTt1nS7TURil12oE
epwWMTHn5UyI8YcffY/2AXLxgYv/y42ATJIgCWVf81gFjAIAumYBy6Ys+Ac82oOliawP1oVcm2ms
kQ4G5gsAjFXbprG8W7E7MkIJHbQx05ghIAqcpwBKoKjhiaQNpViCdWE5DQsVhTSnEwIys9sxU3JV
hIDuFEzOmQreAdZ488Pk/FjRJyRkoYSazTP3goU69nfCcAXmvJsrNXL7DiV8ntYqJQT8yjAd6HgB
+KgvZzdUACUAAAAASUVORK5CYII=
)
C.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
D.
或
-
已知整式6x-1的值是2,y2-y的值是2,则(5x2y+5xy-7x)-(4x2y+5xy-7x)=( )
A.
或-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
B.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAjCAYAAACdHYpiAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADGSURBVEhL7ZXhDYQgDIU7GTt1nS7TURil12oE
epwWMTHn5UyI8YcffY/2AXLxgYv/y42ATJIgCWVf81gFjAIAumYBy6Ys+Ac82oOliawP1oVcm2ms
kQ4G5gsAjFXbprG8W7E7MkIJHbQx05ghIAqcpwBKoKjhiaQNpViCdWE5DQsVhTSnEwIys9sxU3JV
hIDuFEzOmQreAdZ488Pk/FjRJyRkoYSazTP3goU69nfCcAXmvJsrNXL7DiV8ntYqJQT8yjAd6HgB
+KgvZzdUACUAAAAASUVORK5CYII=
)
C.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
D.
或
-
已知整式6x-1的值是2,y2-y的值是2,则(5x2y+5xy-7x)-(4x2y+5xy-7x)=( )
A.
或-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
B.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAjCAYAAACdHYpiAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADGSURBVEhL7ZXhDYQgDIU7GTt1nS7TURil12oE
epwWMTHn5UyI8YcffY/2AXLxgYv/y42ATJIgCWVf81gFjAIAumYBy6Ys+Ac82oOliawP1oVcm2ms
kQ4G5gsAjFXbprG8W7E7MkIJHbQx05ghIAqcpwBKoKjhiaQNpViCdWE5DQsVhTSnEwIys9sxU3JV
hIDuFEzOmQreAdZ488Pk/FjRJyRkoYSazTP3goU69nfCcAXmvJsrNXL7DiV8ntYqJQT8yjAd6HgB
+KgvZzdUACUAAAAASUVORK5CYII=
)
C.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
D.
或
-
(2007•济南)已知整式6x-1的值是2,y2-y的值是2,则(5x2y+5xy-7x)-(4x2y+5xy-7x)=( )
A.
或-![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
B.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAjCAYAAACdHYpiAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADGSURBVEhL7ZXhDYQgDIU7GTt1nS7TURil12oE
epwWMTHn5UyI8YcffY/2AXLxgYv/y42ATJIgCWVf81gFjAIAumYBy6Ys+Ac82oOliawP1oVcm2ms
kQ4G5gsAjFXbprG8W7E7MkIJHbQx05ghIAqcpwBKoKjhiaQNpViCdWE5DQsVhTSnEwIys9sxU3JV
hIDuFEzOmQreAdZ488Pk/FjRJyRkoYSazTP3goU69nfCcAXmvJsrNXL7DiV8ntYqJQT8yjAd6HgB
+KgvZzdUACUAAAAASUVORK5CYII=
)
C.
或![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
D.
或