计算∶
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f17269fed7e0cdd066aff1ae2fcdce.png)
23-24七年级上·河南信阳·期末 查看更多[2]
河南省信阳市潢川县2023-2024学年七年级上学期期末数学试题(已下线)专题06 分式与分式的混合运算(8大题型+优选提升题)-备战2023-2024学年八年级数学下学期期末真题分类汇编(北师大版)
更新时间:2024-01-24 23:00:01
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解答题-计算题
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较易
(0.85)
【推荐1】计算
(1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7362073178f516e4fde94b8307525720.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bee14e90a4a0cb4f1d550f60e04e430.png)
(3)先化简,再求值:已知
,求:
的值.
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7362073178f516e4fde94b8307525720.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bee14e90a4a0cb4f1d550f60e04e430.png)
(3)先化简,再求值:已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61025059924bb260b6c5de31d5af78bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/158234a31cff3002d84b8913eaa5fd68.png)
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