已知
的立方根是3,
的算术平方根是4,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3acc25dbbdcbe686adc1278669f3154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23613819bb3816a32a305cbdda31e53d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4362aa910c4f02aa5a0a5cfb3f0a8660.png)
A.25 | B.23 | C.21 | D.19 |
更新时间:2024-04-29 21:22:23
|
相似题推荐
单选题
|
较易
(0.85)
【推荐2】下列说法不正确的是( )
A.![]() ![]() | B.![]() ![]() |
C.4是16的平方根 | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】已知
,当
时,y的值为2;当
时,y的值为
.则当
时,y的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb9ad466c2dcbbe064bad2828ea0ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba53065eb180a682305fddb95d14b62f.png)
A.4 | B.1 | C.3 | D.2 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,乐乐将
,
,
,0,1,2,3,4,5分别填入九个空格内,使每一行、每一列、每条对角线上的三个数之和相等,若a,b,c分别表示其中的一个数,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/15fcf2a1-ccc7-47e2-9e88-5f55337e6697.png?resizew=84)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a900a96aa628ce718ddbad524fbf78dc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/15fcf2a1-ccc7-47e2-9e88-5f55337e6697.png?resizew=84)
A.0 | B.-1 | C.-2 | D.-3 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】下列方程变形中
① 方程
去分母,得
② 方程
移项得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b278fa92b0003dbafdd4e953f8bd134.png)
③ 方程
去括号,得
④ 方程
,得x=1
错误的有( )个
① 方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33a168a7e59c4e587d39b2624772f412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc5064a2e3003e27b35f30a4e8f4bb38.png)
② 方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f602a37879375da96785aa38dd3ecce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b278fa92b0003dbafdd4e953f8bd134.png)
③ 方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4877d68af1a681db55f978b3e40247c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad12b3d3bbfaa486f01aa884b0a3b50.png)
④ 方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edeed134aaaca989316c42b985624d1e.png)
错误的有( )个
A.4个 | B.3个 | C.1个 | D.0个 |
您最近一年使用:0次