计算
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/396892294a4957fc815bd1bf2d1bd071.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16df26da37459aaae2868d8a52f60a1e.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bcd3922e9637e2cd9ae44e6cfee7b82.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/396892294a4957fc815bd1bf2d1bd071.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16df26da37459aaae2868d8a52f60a1e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bcd3922e9637e2cd9ae44e6cfee7b82.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09e5615b83d90a6f95b506f25f4db85.png)
更新时间:2023-05-04 14:24:06
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解答题-问答题
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适中
(0.65)
【推荐2】尝试解决下列有关幂的问题:
(1)若
,求
的值;
(2)已知
,求
的值;
(3)若
为正整数,且
,求
的值.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/022dbc793ed326ae14df81ee4e349239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0669235aae92c244f20a7cdf0c2a756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd3796654a7b24fbb30d212f67cf0c.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0b21f47a17fce09eaeee350672470bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972361b4139004cd001a55f7c402ae6b.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
名校
【推荐1】阅读材料,并解决问题.
定义:将分母中的根号化去的过程叫做分母有理化.如:将
分母有理化,
解:原式
.运用以上方法解决问题:
(1)将
分母有理化;
(2)观察上面的解题过程,请直接写出结果:
______.
(3)计算
的值.
定义:将分母中的根号化去的过程叫做分母有理化.如:将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522a5aae1ce54b61442e0dd1d0818bb6.png)
解:原式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f915a7f97243facfd5088f8d40824999.png)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca50bd5439ff683646e0f14252e5ebb0.png)
(2)观察上面的解题过程,请直接写出结果:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cded1bc444bee53a05ee9efaa751cd.png)
(3)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5336629134c43037e0c4afe71df7e502.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐2】(1)先化简,再求值
,其中
,
.
(2)已知
是完全平方式,则m的值为______.(直接写出结果)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40df99172e4e32627c5b98d93b4131f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0db2c49919467a2e14540f2aabd05cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87b351f16728b0023fd63678f8103c7.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d8028b59504a29bd01b6254cb162e1.png)
您最近一年使用:0次