Question

Tính nhanh:

\(\dfrac{5^5.35^3}{125^3.49^2}\)

Answer 1

\(\dfrac{5^5.35^3}{125^3.49^2}=\dfrac{5^5.5^3.7^3}{5^9.7^4}\)

\(=\dfrac{5^8.7^3}{5^9.7^4}=\dfrac{1}{5}.\dfrac{1}{7}=\dfrac{1}{35}\)