先化简,再求值:
,其中
是满足
的整数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307df1cb3e1ff4003af0731387ab4fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836d745b71ec18b1135e8bbf6990bffa.png)
23-24八年级上·江苏扬州·期末 查看更多[4]
江苏省扬州市高邮市2023-2024学年八年级上学期期末数学试题(已下线)专题10.24+分式的化简求值100题(分层练习)1(综合练)(已下线)第13讲 分式的乘除(3大考点+3大题型+强化训练)-【帮课堂】2023-2024学年八年级数学下册同步学与练(苏科版)(已下线)专题04 八年级期中必刷题-2
更新时间:2024-02-26 09:05:19
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解答题-计算题
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较易
(0.85)
【推荐1】先化简,再求值:
,再从
,
,2,3中选择合适的a值代入求值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c02f20375e9dfaf1ffae34988ec6b07.png)
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您最近一年使用:0次
解答题-计算题
|
较易
(0.85)
【推荐2】求下列函数中自变量x的取值范围:
(1)
;
(2)
.
(3)
;
(4)
;
(5)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d6e08526a91f8dfd160e7da2f92a3a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef1ef087e2742790449bb561e6bcc28.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1780ef72776ea88e663ff619631014f4.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf21c9da3b1edd2fa91027fca6d6c962.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46b961cb1db8c6345308f9c7d350a03.png)
您最近一年使用:0次