已知
,且
,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3cb2942de65cbf68d53259f4289bdeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98824acea2d23cb085edc6012bbded79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f2416d1f75a45a314331146550832e.png)
19-20七年级·浙江杭州·期末 查看更多[1]
(已下线)【新东方】 萧山试卷解析xs00009
更新时间:2021-02-03 11:32:22
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【推荐2】若
,则下列不等式成立的是:①
,②
,③
,④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e440ffa0e0788b97d82d4c4cca70a3c.png)
_________
A.①②③ B.①②④ C.③④ D.①③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e35ad13e9985f0a380067adab89fd5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9025254116f2c04f4c1bee15097b9dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5797a2c637a1f5221d841157896916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9caa32796bed6e802225f084fe3564b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e440ffa0e0788b97d82d4c4cca70a3c.png)
A.①②③ B.①②④ C.③④ D.①③
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【推荐1】下列二次根式中,①
;②
;③
;④
;⑤
是最简二次根式的是_____________ .(填序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f66fc51d58aae7aba5028fca8bd48a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843d422bb920dbeeb96b3bfd19c458bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e7c71e52bdc237dc8b5883ce7ae544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4cee6655a37fc8243928b5dbb09fd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
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