mathjax;latex

lfloor $lfloor$
floor $ floor$
sum_{i=1}^{n} $sum_{i=1}^{n}$
mu $mu$
mid $mid$
Leftrightarrow $Leftrightarrow$
sqrt{k} $sqrt{k}$
frac{n}{d} $frac{n}{d}$
varphi $varphi$
sqrt[a]{x} $sqrt[a]{x}$
epsilon $epsilon$
sigma $sigma$
cdot $cdot$
in $in$
sigma $sigma$
infty $infty$
equiv $equiv$
prod_{i=1}^n $prod_{i=1}^n$
pmod{m} $pmod{m}$
   
原文地址:https://www.cnblogs.com/hehe54321/p/9296778.html