\(=\dfrac{8}{3}\cdot x^2y^3z\cdot\dfrac{7^{10}}{3^{10}}\cdot x^{50}y^{40}\cdot z^{20}\cdot axyz\)
\(=\left(\dfrac{8}{3}\cdot\dfrac{7^{10}}{3^{10}}\cdot a\right)\cdot x^{53}y^{44}z^{22}\)
Hệ số là \(\dfrac{8}{3}\cdot\dfrac{7^{10}}{3^{10}}\cdot a\)
Bậc là 119