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Çó¼«Ï޵ķ½·¨×ܽá Á½¸öÖØÒª¼«ÏÞ£º \(\Large \underset{x\rightarrow 0}{\lim}\frac{\sin x}{x} = 1\) \(\Large \underset{x\rightarrow \infty}{\lim}(1+\frac{1}{x})^x=e\) 1.