摘要:
$$\binom{5}{555}$$ 阅读全文
posted @ 2018-05-08 23:28
Jack-Huang
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${\sigma}_{k}(n)=\sum_{d|n}^{}{d}^{k}$ 阅读全文
posted @ 2018-05-08 23:23
Jack-Huang
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摘要:
$$\binom{5}{555}$$ 阅读全文
posted @ 2018-05-08 23:20
Jack-Huang
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\[ \lim_{n \to \infty} (1+\frac{1}{n})^{n} = e\] $$\lim_{x \to 0} \frac{\sin x}{x} = 1 $$ 阅读全文
posted @ 2018-05-08 23:07
Jack-Huang
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开发 阅读全文
posted @ 2018-05-08 17:31
Jack-Huang
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