$-159+\left(-9782\right)$

$\int\left(9xcos^2\left(x\right)\right)dx$

$\left[\left(\frac{3}{5}x+5y^2\right)-\frac{3}{5}z\right]^2$

$si:a-b=5$

$-\infty\left(e^{-2\left(-\infty\right)}\right)$

$12,85\:-4,6$

$856+19-3-\left|6+\left(5-3\right)-\left(2+1\right)+\left(5-3\right)-864\right|$