Backup Scripts for Teddysun's Shadowsocks & BBR Service

[Shadowsocks]wget https://raw.githubusercontent.com/teddysun/shadowsocks_install/master/shadowsocks-all.shchmod +x shadowsocks-all.sh./shadowsocks-all.sh 2>&1 | tee shadowsocks-all.log[BBR]wget --no-check-certificate https://github.com/teddysun/across/raw/master/bbr.sh && chmod +x bbr.sh && ./bbr.sh…

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An Ultimate Chinese High-School Maths Problem

Question Solve \[\sqrt[3]{a+\frac{a+1}{3}\cdot \sqrt{\frac{8a-1}{3}}}+\sqrt[3]{a-\frac{a+1}{3}\cdot \sqrt{\frac{8a-1}{3}}}\] Solution: From the question, we regulate \[\begin{align*} \frac{8a-1}{3}&\geq 0\ a&\geq \frac{1}{8} \end{align*}\] Let \[\xi…

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