我们♡+♡=♡²

Headline;

L= \(\displaystyle\frac{5}{2}\sum_{n=1}^\infty \frac{1+\frac{1}{2}+···\frac{1}{n+1}}{n(n+1)}\)
O= \(\displaystyle\underset{x,y,z,\omega>0}{\underbrace{max}}(\frac{xy+2yz+3zw}{5x^2+6y^2+9z^2+9\omega^2})^2\)
V= \(\displaystyle\displaystyle\int_{0}^{+\infty}\frac{e^{-\frac{4}{\pi}x^2}-e^{-\frac{225}{\pi}{x^2}}}{x^2}dx\)
E= \(\displaystyle7\lim_{n \rightarrow\infty}\frac{n+\sqrt{n}+···\sqrt[n]{n}}{n}\)

小王请关灯(点击

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