$\left(\frac{1}{3}xy+2\right)^3$

$0.36x^4-1.2x^2y+y^2$

$\sin\left(80\right)\cos\left(35\right)-\cos\left(80\right)\sin\left(35\right)$

$2\ln\left(x+3\right)=-4$

$-\frac{7}{12}12y^3\left(-0.3y^5\right)$

$y'=\frac{x^2}{y^3}$

$\frac{2^{3}\cdot2^{4}\cdot5^{3}\cdot5^{-1}}{2^{-1}\cdot2^{2}\cdot5^{-2}\cdot5^{-3}}$