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实数a在数轴上的位置如图所示,则化简后为A.7B.-7C.2a-15D.无法确定
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实数a在数轴上的位置如图所示,则
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAG8AAAAbCAYAAABydtG3AAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
化简后为( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAL8AAAAVCAYAAAAXbT+OAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.7
B.-7
C.2a-15
D.无法确定
相关试题
-
实数a在数轴上的位置如图所示,则
化简后为( )
![](https://img.xintiku.com/upload/07/7a/077a264758f334f11a7cfd986aa1609e.png)
A.7
B.-7
C.2a-15
D.无法确定
-
实数a在数轴上的位置如图所示,则
化简后为( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAL8AAAAVCAYAAAAXbT+OAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.7
B.-7
C.2a-15
D.无法确定
-
实数a在数轴上的位置如图所示,则
化简后为( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAL8AAAAVCAYAAAAXbT+OAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.7
B.-7
C.2a-15
D.无法确定
-
实数a在数轴上的位置如图所示,则
化简后为( )
![](https://img.xintiku.com/upload/b6/e1/b6e125f3e86e328c0ab02f09c062bc3b.png)
A.7
B.-7
C.2a-15
D.无法确定
-
实数a在数轴上的位置如图所示,则
化简后为( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAL8AAAAVCAYAAAAXbT+OAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.7
B.-7
C.2a-15
D.无法确定
-
实数a在数轴上的位置如图所示,则
化简后为( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAL8AAAAVCAYAAAAXbT+OAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.7
B.-7
C.2a-15
D.无法确定
-
实数a在数轴上的位置如图所示,则
化简后为( )
![](https://img.xintiku.com/upload/f1/61/f16146ffc217493b4836f2660db76ada.png)
A.7
B.-7
C.2a-15
D.无法确定
-
实数a在数轴上的位置如图所示,则
化简后为( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAL8AAAAVCAYAAAAXbT+OAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.7
B.-7
C.2a-15
D.无法确定
-
实数a在数轴上的位置如图所示,则
化简后为( )
![](https://img.xintiku.com/upload/70/0b/700bd34f45a816913a5970891469cb1c.png)
A.7
B.-7
C.2a-15
D.无法确定
-
实数a在数轴上的位置如图所示,则
化简后为( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAL8AAAAVCAYAAAAXbT+OAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.7
B.-7
C.2a-15
D.无法确定