check markdown

1. How to use angle brackets <> in MarkDown

Replace < with < and > with >

2. Write code
in English input method, enter three "`" before and after the code, this symbol is located between the Esc key and the Tab key. E.g:

coding

3. The cursor turns into a square and turns into a vertical line

Press the insert key.

4. The format of writing mathematical formulas
in markdown

在英文输入法下输入：  

One of   represents a space.