(1)计算:(2020﹣π)0﹣
+|﹣3
|;
(2)解方程:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a541dc9095aa57b2a2aa517c039e9549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e051d14fd6a787387995331f5e6d026.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a57c10f1df2b07b87e5eff5c3d47746.png)
更新时间:2020-05-30 06:53:06
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【推荐2】计算:(﹣1)2+(π﹣3.14)0﹣|
﹣2|
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
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【推荐1】计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d1c1c5abf6c21061bddebca36e167c7.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/941cf52266f7f067a02091acde89cfb9.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75d022944485040bb3429b88e69186d7.png)
(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d3431708d3927c6b12a959bcbd654a8.png)
(5)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/286f1529ea089b58d195afe6580e47b9.png)
(6)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d1c1c5abf6c21061bddebca36e167c7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/941cf52266f7f067a02091acde89cfb9.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75d022944485040bb3429b88e69186d7.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d3431708d3927c6b12a959bcbd654a8.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/286f1529ea089b58d195afe6580e47b9.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e321c2fc9c541bcd1af556742d52d7d.png)
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【推荐2】【材料阅读】
把分母中的根号化去,使分母转化为有理数的过程,叫做分母有理化.
例如:化简
.
解:
.
【问题解决】
(1)若a是
的小数部分,化简:
;
(2)化简:
.
把分母中的根号化去,使分母转化为有理数的过程,叫做分母有理化.
例如:化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a91c33ebbacfc3e46515737af771e9c.png)
解:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80030b47b8a48743d591d90284d786bc.png)
【问题解决】
(1)若a是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c70fcaa661df4fbcad820b439accda.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b35c20f08ae3f3a17f89248cac2570eb.png)
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