数学符号
\frac{a}{b}\(\frac{a}{b}\)\dfrac{a}{b}\(\dfrac{a}{b}\)\sum_{i=1}^{n}{a_i}\(\sum_{i=1}^{n}{a_i}\)\div\(\div\)\times\(\times\)\cdot\(\cdot\)\cdots\(\cdots\)
颜色
\color{52C41A}\text{xxx}\(\color{52C41A}\text{xxx}\)


\frac{a}{b} \(\frac{a}{b}\)\dfrac{a}{b} \(\dfrac{a}{b}\)\sum_{i=1}^{n}{a_i} \(\sum_{i=1}^{n}{a_i}\)\div \(\div\) \times \(\times\)\cdot \(\cdot\) \cdots \(\cdots\)\color{52C41A}\text{xxx} \(\color{52C41A}\text{xxx}\)
