Question

B=\(\dfrac{(-3)^6.15^3+9^3.(-15)^6}{(-3)^{10}.5^3.2^3}\)  Tính?

Answer 1

\(B=\dfrac{3^6\cdot3^3\cdot5^3+3^6\cdot3^6\cdot5^6}{3^{10}\cdot5^3\cdot2^3}=\dfrac{3^9\cdot5^3\left(1+3^3\cdot5^3\right)}{3^{10}\cdot5^3\cdot2^3}=\dfrac{1+15^3}{3\cdot2^3}=\dfrac{3376}{24}=\dfrac{422}{3}\)