求解下列方程:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98001b17b58d4f4d5e59c612d58e0c2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf87319c570d3e058f5262382759cccb.png)
更新时间:2023-09-30 18:14:24
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解答题-计算题
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较易
(0.85)
【推荐1】(1)已知:
的算术平方根是3.
的立方根是2.求
的值.
(2)若
(
且
,m,n足正整数),
则.请用这个结论解决下面这个问题:若
.求x的值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7f468c1edd8644b6b92b110db617c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f024b76635efc5735dec7bf93982c0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/145e43ea572b6e2a6520bd98cce08fa3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113295f63c75866fcba144af609b8f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a4480988244a9d04ec293975db2cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2925afc1a460b95a5790eb862bfe4654.png)
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解答题-问答题
|
较易
(0.85)
【推荐2】
,
,
,
,
,
,
,
,
,
的平方根和立方根中,哪些是有理数?哪些是无理数?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06e95b57b7a81cd81d05557a11fa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
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