$$\frac{56.060}{21.000}$$

$$5x^2\left(-3xy^6\right)$$

$$\lim_{t\to0}\left(\frac{e^{9t}-1}{sin\left(t\right)}\right)$$

$$\sqrt[7]{m}^{6\sqrt[7]{m}^5}$$

$$\left(a+b\right)x^4+\left(a+2b\right)y^3$$

$$5sinx-3=-6$$

$$m^2-49$$