$[\left(14x\right)u\left(x+2x\right)]^{24-x}w_{6}$

$\frac{2}{0}-1$

$57.106+245.38+639$

$\left(\frac{\cos\left(x\right)^2}{\sin\left(x\right)^2}+1\right)\left(1-\sin\left(x\right)^2\right)$

$-2+\frac{4m}{n}$

$\cos\left(0.54\right)$

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