计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354bcabaee003477e4baaf5b615e24e8.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb9071613cdec13cd9591fff67b97771.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8339a4718854a0162384bc38307364.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354bcabaee003477e4baaf5b615e24e8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb9071613cdec13cd9591fff67b97771.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8339a4718854a0162384bc38307364.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7ec2c759f6975e0379792a2392f4b0.png)
更新时间:2023-01-26 14:46:28
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】解方程(组):
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a6fa4ce33050c205b33c34495ee298.png)
(2)
;
(3)x(x-7)=8(7-x).
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a6fa4ce33050c205b33c34495ee298.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d789c1db0808ee6aa4cb7cb2d46b66e.png)
(3)x(x-7)=8(7-x).
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】对
,
定义一种新的运算
,规定:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90baea5550c5193159a2fa950cef582f.png)
(其中
).已知
,
.
(1)求
,
的值;
(2)若关于正数
的不等式组
恰好有2个整数解,求
的取值范围;
(3)请直接写出
时,满足条件的
,
的关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90baea5550c5193159a2fa950cef582f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f07be20193a98bceb249497808b0f34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4ce57e4a6a61a7ba5be931a9187a78f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a29006abc829cf6cd78b9b5bcc6b550.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若关于正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28a3e40542d0405301f8ae93dd0bf047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)请直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38efd4e49113f75819d55c3ec4c7cbb3.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