(1)计算:
;
(2)计算:
;
(3)计算:
;
(4)已知
,求x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd0949dbcaecad4d1041388bb82628a.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb4918388e154f336c404024fe6451f.png)
(3)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ad554c0cdea79b467fc8680c3ec7.png)
(4)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6edefe4b17715c6b70615b2bed14a048.png)
更新时间:2024-05-29 13:44:10
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解答题-问答题
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较易
(0.85)
【推荐1】已知:实数
、
满足
.
(1)可得
的立方根是 ;
(2)当一个正实数
的平方根分别为
和
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459aef81712089c7831cc5f0965b94fb.png)
(1)可得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
(2)当一个正实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf7c12fbcd104b5222f020d75eb52af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3de1d72057a4c10d4e22f71a5cbe5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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