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(2000•绵阳)方程=0的解是________.
试题详情
(2000•绵阳)方程
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAF0AAAAlCAYAAAAgAOVvAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
=0的解是________.
相关试题
-
(2000•绵阳)方程
=0的解是________.
-
(2000•绵阳)方程
=0的解是________.
-
(2000•绵阳)已知一元二次方程(1-2a)x2+2
-1=0有两个不相等的实数根.
(1)求实数a的取值范围;
(2)设a、β是一元二次方程的两个根,a=
,求
的值.
-
(2000•绵阳)已知一元二次方程(1-2a)x2+2
-1=0有两个不相等的实数根.
(1)求实数a的取值范围;
(2)设a、β是一元二次方程的两个根,a=
,求
的值.
-
(2000•绵阳)校园内有一块长方形空地,长、宽之和为a米,一条对角线长为b米,a、b满足方程组
.为了绿化校园,要在长方形空地上种草,试计算长方形空地的面积.
-
(2000•绵阳)校园内有一块长方形空地,长、宽之和为a米,一条对角线长为b米,a、b满足方程组
.为了绿化校园,要在长方形空地上种草,试计算长方形空地的面积.
-
(2000•绵阳)甲、乙二人同时工作,甲做完40个零件时,乙做完50个零件,如果乙每小时比甲多做2个零件.设甲每小时做x个零件,则下列方程正确的是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADUAAAAjCAYAAAA0aUL2AAAAAXNSR0IArs4c6QAAAARnQU1BAACx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==
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADUAAAAjCAYAAAA0aUL2AAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADUAAAAjCAYAAAA0aUL2AAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
D.40x-50=2
-
(2000•绵阳)甲、乙二人同时工作,甲做完40个零件时,乙做完50个零件,如果乙每小时比甲多做2个零件.设甲每小时做x个零件,则下列方程正确的是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADUAAAAjCAYAAAA0aUL2AAAAAXNSR0IArs4c6QAAAARnQU1BAACx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==
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADUAAAAjCAYAAAA0aUL2AAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADUAAAAjCAYAAAA0aUL2AAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
D.40x-50=2
-
(2000•绵阳)用代数式表示“a、b两数的平方差除以4的商”是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACcAAAAqCAYAAAAwPULrAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACcAAAAqCAYAAAAwPULrAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
D.
-
(2000•绵阳)-8的立方根与
的平方根之和是( )
A.7
B.7或-11
C.1或-5
D.1