$63\left(0\right)^2$

$-10+\left(9.3-6.5\right).6+\left(-15+6\right)$

$\left(\frac{480}{31200}\right)+\left(-\frac{1920}{3307.5}\right)+\left(+\frac{1920}{1575}\right)+\left(+\frac{480}{360}\right)+\left(\frac{1536}{985.359375}\right)+\left(-\frac{320}{2450}\right)+\left(-\frac{240}{11088}\right)$

$+9+4+3+5+10$

$\int x^3\frac{\sqrt{x^2-4}}{1}dx$

$4\tan\left(a\right)=2\tan\left(a\right)-\sqrt{2}$

$12^{-3}\:x\:12^9$