Beta
;}.cls-4{fill:url(%23未命名的渐变_5-2);}%3c/style%3e%3cradialGradient%20id='未命名的渐变_5'%20cx='2636.89'%20cy='2223.29'%20r='113.59'%20gradientTransform='translate(2751.11%202306.97)%20rotate(180)'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20offset='0'/%3e%3cstop%20offset='1'%20stop-color='%23fff'/%3e%3c/radialGradient%3e%3cradialGradient%20id='未命名的渐变_5-2'%20cx='221.53'%20cy='135.68'%20r='113.59'%20gradientTransform='matrix(1,%200,%200,%201,%200,%200)'%20xlink:href='%23未命名的渐变_5'/%3e%3c/defs%3e%3cg%20class='cls-1'%3e%3cg%20id='图层_2'%20data-name='图层%202'%3e%3cg%20id='图层_1-2'%20data-name='图层%201'%3e%3cpath%20class='cls-2'%20d='M226.07,0a109.05,109.05,0,0,0-58.2,16.83,109.46,109.46,0,0,1,0,185.7,109.35,109.35,0,0,0,73.9,15.71c14-2,23-15.47,20.43-29.35a45.67,45.67,0,0,1-.77-7.89,46.29,46.29,0,0,1,44.92-46.48c1.18,0,2.35,0,3.51,0a24.61,24.61,0,0,0,25.88-24.36c0-.18,0-.35,0-.53A109.69,109.69,0,0,0,226.07,0Zm53.34,111.63a22.81,22.81,0,1,1,22.81-22.81A22.81,22.81,0,0,1,279.41,111.63Z'/%3e%3cpath%20class='cls-2'%20d='M219.36,109.68a109.5,109.5,0,0,0-51.49-92.85,109.47,109.47,0,0,0,0,185.7A109.5,109.5,0,0,0,219.36,109.68Z'/%3e%3cpath%20class='cls-2'%20d='M116.39,109.68a109.48,109.48,0,0,1,51.47-92.84h0a109.64,109.64,0,1,0-58.19,202.53,108.41,108.41,0,0,0,27.61-3.62,109.79,109.79,0,0,0,30.58-13.21A109.49,109.49,0,0,1,116.39,109.68Z'/%3e%3cpath%20class='cls-3'%20d='M219.36,109.69a109.51,109.51,0,0,1-51.48,92.84A132.71,132.71,0,0,0,198.46,3.63a110,110,0,0,0-30.59,13.21A109.5,109.5,0,0,1,219.36,109.69Z'/%3e%3cpath%20class='cls-4'%20d='M116.39,109.68a109.48,109.48,0,0,1,51.47-92.84,132.72,132.72,0,0,0-30.57,198.9,109.79,109.79,0,0,0,30.58-13.21A109.49,109.49,0,0,1,116.39,109.68Z'/%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/svg%3e)
对数
如果
Initializing MathJax...
Initializing MathJax...
特殊对数
- 常用对数 （以10为底的对数）
Initializing MathJax...
- 自然对数 （以e为底的对数）
Initializing MathJax...
特殊对数值
Initializing MathJax...
Initializing MathJax...
对数运算公式
| 对数 | 指数 |
|---|---|
Initializing MathJax... | |
Initializing MathJax... | Initializing MathJax... |
Initializing MathJax... | Initializing MathJax... |
Initializing MathJax... | |
Initializing MathJax... | |
Initializing MathJax... |
换底公式
Initializing MathJax...
实用的推导式
考试时可以直接用（很重要）
Initializing MathJax...
Initializing MathJax...
®