分解因式:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)利用因式分解简化计算:
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e81d263d97987386f87ea896356cde8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b396c4ea3685fc31ad412f1b6d8ac48.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d91ee36a55db2bfebf70b3990753ed1.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6e5f646c70bb05ead8ba784e9f87f7.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91671cb2b8f66b1654d1b4de439a4801.png)
(6)利用因式分解简化计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c3e1fba4cab29c143a800dfba002a9.png)
23-24八年级上·全国·课后作业 查看更多[2]
更新时间:2023-09-29 15:25:39
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相似题推荐
解答题-计算题
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【推荐1】按要求作答.
(1)计算:
.
(2)计算:
.
(3)分解因式:
.
(4)解分式方程:
.
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa0f398e0dee33074d37f329ca9ccaa.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb7a90416a3cc5807a7a6cd83e0c5d3.png)
(3)分解因式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5686eb70cf83582f209e77ae804ca331.png)
(4)解分式方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585bdf2a7ec59362cc3259b5866db965.png)
您最近一年使用:0次
解答题-问答题
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较易
(0.85)
【推荐2】先阅读下列材料.再解答下列问题:
材料:因式分解:
.
解:将“
”看成整体,设
,则原式
.
再将
代入,得原式
.
上述解题用到的是“整体思想”,“整体思想”是数学解题中常用的一种思想方法.请你完成下列各题:
(1)因式分解:
;
(2)因式分解:
;
(3)因式分解:
.
材料:因式分解:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c869e10e08b280fda8c63438c39b622.png)
解:将“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7324eb84ef5685b4a0fd7866858025d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18411a9dfa49b79aed46879563fb37af.png)
再将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7324eb84ef5685b4a0fd7866858025d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c116386a70d0a4d044454fa70480dbc.png)
上述解题用到的是“整体思想”,“整体思想”是数学解题中常用的一种思想方法.请你完成下列各题:
(1)因式分解:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361e754ecab7a7ad0bc0dba70969dca3.png)
(2)因式分解:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02171429a3a3b7f9da82376ee5ea3ac0.png)
(3)因式分解:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3027a8015bf8180e233fa5113f47a70c.png)
您最近一年使用:0次