markdown 实例

https://www.latexlive.com/

记号篇

\mid \(\mid\)
\nmid \(\nmid\)
φ \(φ\)
\circ \(\circ\)

$\begin{Bmatrix}n\\k\end{Bmatrix}$
$\begin{bmatrix}n\\k\end{bmatrix}$
$\dbinom{n}{m}$

\(\begin{Bmatrix}n\\k\end{Bmatrix}\)
\(\begin{bmatrix}n\\k\end{bmatrix}\)
\(\dbinom{n}{m}\)

$\cup \cap \subset \subseteq \supset \supseteq$

\(\cup \cap \subset \subseteq \supset \supseteq\)

格式篇

• 多行等式

$$
\left\{
\begin{array}{ll}
x = x_0 + bt \\ 
y = y_0 - bt
\end{array}
\right.
$$

\[\left\{ \begin{array}{ll} x = x_0 + bt \\ y = y_0 - bt \end{array} \right. \]

字体/颜色/大小篇
https://blog.csdn.net/manjianchao/article/details/53668280

- kkk
  - lll
    - mmm

• kkk
  • lll
    • mmm