posted on 2019-10-31 06:27:53
(mathcal{Using}) (color{purple}LaTeX)
mathfrak{}
(mathfrak{mathfrak1234})
mathrm{}
(mathrm{mathrm1234})
mathcal{}
(mathcal{mathcal1234})
mathbb{}(大写字母和小写k)
(mathbb{MATHBBk123456})
mathit{}
(mathit{mathit1234})
extit{}
( extit{textit1234})