题型:单选题
难度:0.94
引用次数:293
题号:20318108
已知
,
,
,
成比例线段,其中
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3cf4f03c097266adc6994a5b4aa4ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ebe8aabaf863642ad1c4d0a7bccb35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d869d9884bf8836bee095dbd344eb226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c98c59cd4749afdd21e73529fc84323.png)
A.8cm | B.9.5cm | C.4cm | D.4.5cm |
更新时间:2023-10-07 16:31:27
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【推荐1】下列各组数中,成比例的是( )
A.-7,-5,14,5 | B.-6,-8,3,4 | C.3,5,9,12 | D.2,3,6,12 |
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【推荐2】若m、n、a、b成比例线段,则下列各式正确的是( )
A.m∶n=a∶b | B.m∶n=b∶a |
C.a∶b=n∶m | D.a∶m=n∶b |
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