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摘要： \[ \lim_{n \to \infty} (1+\frac{1}{n})^{n} = e\] $$\lim_{x \to 0} \frac{\sin x}{x} = 1 $$\begin{equation} \label{euler} e^{\pi i} + 1 = 0 \end{equati... 阅读全文