$\left(b-a\right)\left(c-a\right)\left(b-c\right)$

$\frac{2a^5b^9}{8a^5b}$

$\frac{15.070}{27.400}$

$\frac{1}{2}\int_{\frac{-\pi}{4}}^{\frac{\pi}{4}}\left(4\sin\left(4x\right)^2\right)dx$

$\lim_{x\to\infty}\left(-\frac{2x}{\cos\left(\frac{1}{x}\right)}\right)$

$\int_0^{\pi}cos^2xsen^4xdx$

$0,957\cdot5,4$