如果
,那么我们规定
,
例如:因为
,所以
.
(1)根据上述规定,填空:
_______;
(2)记
,
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d74fb8a902e0cbb2a35fc8e364ba069.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5557da9a3fa0e05492df7aaa875171f8.png)
例如:因为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feae878a430a1b23774127547d842cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65cb415188aa68a3e30b6def86f2d74.png)
(1)根据上述规定,填空:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e44cdc98e6826c63a63bbf115732ff.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0813cd3338fc8c5245079a7e4060b7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0429fda471bc670c62663032eb080dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12c2bf7f51c6eb798da18ffdf7e7f096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4e94d78949138071e0c9994de12c81.png)
2023七年级下·全国·专题练习 查看更多[8]
(已下线)专题1.1同底数幂的乘法-【帮课堂】2022-2023学年七年级数学下册同步精品讲义(北师大版)四川省达州市通川区第八中学2022-2023学年七年级下学期3月月考数学试题(已下线)数学(江苏常州B卷)-学易金卷:2022-2023学年七年级下学期期中考前必刷卷江苏省东台市第五教育联盟2022-2023学年七年级下学期第一次月质量检测数学试题广西壮族自治区梧州市第十一中学2022-2023学年七年级下学期期中数学试题江苏处盐城市景山中学2023-2024学年七年级数学下学期3月月考复习试题(已下线)第06讲 幂的运算(7大考点+7种题型+强化训练)-【帮课堂】2023-2024学年七年级数学下册同步学与练(苏科版)(已下线)北师大版七年级下学期期中必刷常考60题(33个考点专练)-2023-2024学年七年级数学下学期考试满分全攻略高频考点+重难点讲练与测试(北师大版)
更新时间:2023-02-01 17:51:01
|
相似题推荐
解答题-计算题
|
较易
(0.85)
【推荐2】我们已经学习过“乘方”运算,下面给同学们介绍一种新的运算,即对数运算.定义:如果![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b5c5cca2a9b7ad2bc0dfcb061b0b338.png)
),则b叫做以a为底N的对数,记作
,例如:因为
,所以
;因为
,所以
.
(1)填空:
_______,
______;
(2)如果
,求m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b5c5cca2a9b7ad2bc0dfcb061b0b338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1527d0d1e71e8e4e87e646f130a2eef3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73791b7793c0761263ae009394c9de4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00fc6f3e34bed4c0b625f72424bdb14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99ba3797e5348b666f05a003453a76f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62095b3302f7652bbddd84aa90b07376.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f987b3af8b00b74950667ace3b13a6d.png)
(1)填空:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2541192c4db909fc4c5a1983e20b5dbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e82eb994dd717293949d91bdee83d05.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5039f441e6a503014f8fcaa74e814c.png)
您最近一年使用:0次