Question

giúp với ạ

Answer 1

\(M=\dfrac{5^6+2^2\cdot25^3+2^3\cdot125^2}{26\cdot5^6}\)

\(M=\dfrac{5^6+2^3\cdot5^6+2^3\cdot5^6}{5^6\cdot26}\)

\(M=\dfrac{5^6\cdot\left(1+2^3+2^3\right)}{5^6\cdot26}\)

\(M=\dfrac{1+8+8}{26}\)

\(M=\dfrac{17}{26}\)