$4352\:x\:3,54$

$\int\frac{\left(35\cdot x^2\right)}{\sqrt{1-x^2}}dx$

$\lim_{x\to3.14}\left(\frac{\left(cosx-sinx\right)}{cos2x}\right)$

$\left(\frac{1}{3}y^2-\frac{2}{5}x^2y\right)^2$

$-6\left(2x-3y\right)$

$\left(3x^4-y^6\right)^4$

$\left(-199\right)\cdot\left(369\right)$