Question

quy đôngf

Answer 1

\(g,\dfrac{5}{2^2.3^2}=\dfrac{5.2}{2^3.3^2}=\dfrac{10}{2^3.3^2}\\ \dfrac{1}{2^3.3}=\dfrac{1.3}{2^3.3^2}=\dfrac{3}{2^3.3^2}\)

\(h,\dfrac{-2}{5.2^2}=\dfrac{-2.5}{5^2.2^2}=\dfrac{-10}{5^2.2^2}\\ \dfrac{3}{5^2.2}=\dfrac{3.2}{5^2.2^2}=\dfrac{6}{5^2.2^2}\)