标签:15 进阶 根式 二次 dfrac sqrt 99
二体根式进阶:
计算:
\[\Bigg(\dfrac{\sqrt{4+\sqrt{15}}+\sqrt{4-\sqrt{15}}}{\sqrt{14+6\sqrt{5}}-\sqrt{14-6\sqrt{5}}}\Bigg)^{4}+\dfrac{\sqrt{2005\times2006\times2007\times2008+1}-2006^2}{\sqrt{\dfrac{1}{2\sqrt{1}+\sqrt{2}}+\dfrac{1}{3\sqrt{2}+2\sqrt{3}}+\cdots+\dfrac{1}{100\sqrt{99}+99\sqrt{100}}}}
\]
标签:15,
进阶,
根式,
二次,
dfrac,
sqrt,
99
From: https://www.cnblogs.com/ZyIOLO/p/17133176.html