$\frac{1}{1-sina}+\frac{1}{1+sina}$
$\int_0^{\frac{1}{5}}2\pi x\left(e^{5x}+1\right)dx$
$\sqrt{\frac{625}{5}}$
$x^2-x=-6$
$\left(2a^3-3b\right)^2$
$10^2-86^1$
$\int\left(\left(x^{\frac{3}{2}}+4\right)^6\sqrt{x}\right)dx$
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