$229.887+114.29+229.5$

$12-7a-10a^2$

$\int\:\:\left(\frac{2a}{\sqrt{x}}-\frac{b}{x^2}+3c\sqrt[3]{x^2}\right)dx$

$\left(2\cdot\cos+1\right)\cdot\left(2\cdot\sin\left(x\right)-\sqrt{2}\right)=0$

$\lim_{x\to5}\left(\frac{12x-16}{x^2-6x+5}\right)$

$-3762+326$

$x^5+\:x^4-2x^3-2^2+x+1$