计算与化简:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad49323e13c6eb5b446ac8c4573dc7d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d699bfd641ff78159bc1ae3295d5e833.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecfe073c4abda4694e2e8b8d9d5ffd31.png)
更新时间:2020-03-02 15:19:45
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解答题-问答题
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容易
(0.94)
【推荐1】用分数指数幂的形式表示下列各式:
(1)
;(2)
;(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78aa749aed540f1dc5ef3a32c85843c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c527d0b4f451c35e076d2e54bba4be1.png)
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【推荐1】(1)已知m=lg2,10n=3,计算的值.
(2)log327+lg25+lg4log32•log43.
您最近一年使用:0次
解答题-问答题
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容易
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【推荐1】下列运算是否正确?如果其中有错误,试举出反例.
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b871fa63a41a5fa55d0e00f87d2996.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58aed0bbf9a4ef57c44e6ca1900ee909.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f9201794c575867f63c537a8e941dcc.png)
您最近一年使用:0次