Question

\(\dfrac{\left(\dfrac{2}{3}\right)^3.\left(\dfrac{-3}{4}\right)^2.\left(-1\right)^{2021}}{36.\dfrac{1}{5}.\left(\dfrac{2}{5}\right)^2.\left(\dfrac{-5}{12}\right)^3}\) GIÚP MK VỚI Ạ

Answer 1

\(=\dfrac{\dfrac{8}{27}.\dfrac{9}{16}.-1}{36.\dfrac{1}{5}.\dfrac{4}{25}.\dfrac{-125}{12^3}}\)

=\(\dfrac{\dfrac{9}{27}.\dfrac{8}{16}}{\dfrac{125}{125}.\dfrac{4.36}{144.12}}\)=\(\dfrac{\dfrac{1}{3}.\dfrac{1}{2}}{1.\dfrac{1}{12}}\)=\(\dfrac{\dfrac{1}{6}}{\dfrac{1}{12}}\)=\(\dfrac{12}{6}=2\)