下列各式:①
,②
,③
,④
,其中是分式的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c70fcaa661df4fbcad820b439accda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74bd826ab3758eae4e0ef1501fed196d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af4dd2e2a32e7482049c4dba040c533d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c1773a797795ad3c29ffe6350a85445.png)
A.①②③④ | B.①④ | C.①②④ | D.②④ |
更新时间:2017-07-27 17:06:05
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【推荐2】下列各式
,
,
,
,
中,分式共有( )个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2b7f09b6f2fe2410f0512dadc11600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ee6480a89b98d9c420be5684c7829e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55029a360573b7fe61eea1b210faccf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4468513e53282384a2b674fa60a056d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0af3822bfa55d61f24f3f509519c0253.png)
A.2 | B.3 | C.4 | D.5 |
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适中
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【推荐1】在代数式
,
,-0.5xy+
,
,
,
中,是分式的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ad0effa5a862f1b90e32ccf339ec29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51868958bca6839db9a85373dd54b488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a101433f169509edcea2d58f0b9bed0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09115f91185e2f45478345a2aa0088f1.png)
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A.1个 | B.2个 | C.3个 | D.4个 |
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【推荐2】上复习课时,李老师叫小聪举出一些分式的例子,他举出了:
,
,
,
,
,a+
,其中正确的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf35027e76f8ea593f82023973d4aba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f25b1df8bf2b5ba96553b29a3346c991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39032142ccbc1415bae070fc5e4f6796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19381f800fd1754a351300ef9420dada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a60e77043cfa243c212f9e340c5f46.png)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次