已知
.
(1)
化简后的结果为______ ;
(2)若
是整数,且
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c2a987d4773926e521d9d872721c1ae.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38981c93569ffee5b70f6371de6a88b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
21-22八年级上·河北沧州·阶段练习 查看更多[2]
更新时间:2022-09-06 18:54:54
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较易
(0.85)
【推荐2】在函数y=
中,自变量x的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1de5cd99cef730b89d7932c3900aadfc.png)
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