已知a+1是4的算术平方根,b-1是27的立方根,化简求值:2(2a-b2)-(4a-a2).
更新时间:2020-03-22 17:23:23
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解答题-计算题
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适中
(0.65)
【推荐2】计算:
(1)(﹣3)+(﹣5)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008ac1262a8739800ddaf6f15df043ed.png)
(3)
÷(﹣
)+(﹣
)2×21
(1)(﹣3)+(﹣5)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008ac1262a8739800ddaf6f15df043ed.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a734873a608f0c070dec80b89d179754.png)
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解答题-计算题
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适中
(0.65)
名校
【推荐1】先化简,再求值
(1)
,其中
,
.
(2)
,其中
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79c2f5f4788c2ed783f44ce7ab4e611f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f06408895febc126c2ae409e807349c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12388e8da75750a2c799f62f6395e7d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c5a2a0320e34320db6055e31f0f8fc.png)
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解答题-问答题
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适中
(0.65)
【推荐2】已知:
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4a8729ec7f416ff70545f8e7bf1ad8c.png)
(1)求
的值;
(2)若
的值与
无关,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f144874f8ce57451edb5433cd45cdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4a8729ec7f416ff70545f8e7bf1ad8c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6ddeca9c6d150302f1547abffa5de5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14cd2d7eca2db3ec85f5a0693097469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次