更新日志
- 修复数学公式展示并且能够拷贝到微信公众号
$$H(D_2) = -\left(\frac{2}{4}\log_2 \frac{2}{4} + \frac{2}{4}\log_2 \frac{2}{4}\right) = 1$$
$$ \{[(x_1+x_2)^2-(y_1-y_2)^4]\times w\}\times (z_1^2-z_2^2) $$
$$ \sum_{i=0}^n i^2=\frac{(n^2+n)(2n+1)}{6} $$
$$H(D_2) = -\left(\frac{2}{4}\log_2 \frac{2}{4} + \frac{2}{4}\log_2 \frac{2}{4}\right) = 1$$
$$ {[(x_1+x_2)^2-(y_1-y_2)^4]\times w}\times (z_1^2-z_2^2)$$
$$ \sum_{i=0}^n i^2=\frac{(n^2+n)(2n+1)}{6} $$