$\left(-25\right)-\left(-8\right)$

$3^3+6+2^4$

$\frac{du}{dt}=\frac{t^2-2t}{2u}$

$\lim_{x\to\infty}\left(\frac{\left(x^2+3x+7\right)}{x^3+7x^2+19}\right)$

$\int_0^{24}\left(5x^3-9x\right)dx$

$\lim_{x\to0}\left(\frac{p\cdot senx-sec\left(px\right)}{x\left(cosx-cos\left(px\right)\right)}\right)$

$\left(\frac{28}{2}\right)^2$