摘要： I can write formula in this blog within texts by using\( ...\), e.g., \(\LaTeX\), \(E=mc^2\), and usetwo $$ to insert independent formula, e.g.,$$\LaTeX$$$$E=mc^2$$$$\alpha,\beta$$$$\alpha_{i}^{j}$$$$\frac{a+b}{c+d}$$$$\frac{\frac{a}{b}+\frac{c}{d}}{1-\frac{a+c}{b+d}}$$$$\left(\frac{a}{b}+\frac{c}{d 阅读全文