$0.5xy+0.5x-0.5y+0.5yx-0.5x$

$\sqrt{\left(1.24\cdot10^{-4}\right)^2+\left(2.48\cdot10^{-4}\right)^2}$

$\left(\frac{3v^4a^4}{b^2}\right)^3$

$\log\left(x\right)+2\log\left(x^2\right)$

$\left|10+\left(-2\right)\right|\cdot\left(2-\left|\left(-8\right)+16\right|\right)$

$\int\:e^{3x+1}\:dx$

$\sin\left(x-\frac{\pi}{2}\right)=-\:\cos\left(s\right)$