计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7952488f778ae8d90609e67e04c888b.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7952488f778ae8d90609e67e04c888b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3a452f01c5581e17f0c65c902ff6b3b.png)
更新时间:2023-02-13 17:30:13
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解答题-计算题
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【推荐1】计算
(1)
________________;
(2)
______________;
(3)
________________;
(4)
________________.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d6a179e9d72fc1e2bebb99ae6311fd2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565b6aca76cfc4cc6c14f1ef9714129d.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12aa5d705c531c5b710540b6e0f310fd.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf6aed347943e9bfe283327fd0d509c.png)
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【推荐2】(1)分式化简:
;
(2)如图,在
中,
,
,是
边上的点,且
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70342d80a3872f217c4e3d39652776de.png)
(2)如图,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421291381be28da4bd16560fd383b4a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d212c1709b8e72a055cf1b5381ef64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/26/0cdd102d-a723-4e21-9514-b6649a32e017.png?resizew=214)
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【推荐3】阅读下列材料:通过以前的学习我们知道,分数可分为“真分数”和“假分数”,而假分数都可化为带分数,如:
.我们定义:在分式中,对于只含有一个字母的分式,当分子的次数大于或等于分母的次数时,我们称之为“假分式”;当分子的次数小于分母的次数时,我们称之为“真分式”.如
,
,这样的分式就是假分式;再如:
,
,这样的分式就是真分式.类似的,假分式也可以化为带分式(即:整式与真分式的和的形式).如:
;
解决下列问题:
(1)分式
是________分式(填“真”或“假”);
(2)将假分式
化为带分式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec311e6f8110913f696e215c6a6e21d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fd7d09b948e388026cd5757c2d2a05a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c70295a2ae02e51955fa7ab9733f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835860bc2530f205e334ee4818ba323d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/182469eeb539af1a13cbc4f4d8868bc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ceb3f9a2fe254c229d655c386a0e181.png)
解决下列问题:
(1)分式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/875a14375845a842d1c83afb7eb37490.png)
(2)将假分式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f014ab6050da39a7e7891177eb5117.png)
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