$\left(2a^3b+3ab^2\right)^3$

$-6a+8b+10-3a+3-4b$

$3\cdot8\cdot9\cdot10$

$\lim_{x\to\infty}\frac{x}{3^x}^2$

$\arctan\left(\tan\left(\frac{44\pi}{9}\right)\right)$

$\frac{\left(1+0.075\right)^{10}-1}{0.075}$

$\lim_{x\to-\infty}\left(\frac{x^2\cos\left(x\right)}{e^{1-x}}\right)$