1 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fc36223df826441b197b3f47982232.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fc36223df826441b197b3f47982232.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185a1407715689bb0e3e0d8c98a350ae.png)
您最近一年使用:0次
2 . 计算下列各式的值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e6a54fb47cd194a90ea578e30f712b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc11b6ae36e837f8dfdc6d779b4299e8.png)
您最近一年使用:0次
解题方法
3 . 求下列函数的定义域:
(1)
;
(2)
;
(3)
;
(4)
.
(5)
;
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1344145f31c3e97f17ffa87b7b25f3ce.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790bb407f6c608c16550b167b3a0a7ad.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa71c59113df8bcd9d00187879a1389.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3967564703eacd0772558461997faaf7.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e6e8e2526758545d7f97dcdd0ada3bf.png)
您最近一年使用:0次