Question

(2 1/3)в квадрате -4/9

Answer 1

$bold{(1 dfrac{1}{3})^2 - dfrac{4}{9}} = (dfrac{4}{3})^2 - dfrac{4}{9} = dfrac{16}{9} - dfrac{4}{9} = dfrac{12^{:3}}{9^{:3}} = dfrac{4}{3} = bold{ 1 dfrac{1}{3} }; \ \ \ \ boxed{bold{OTBET: 1 dfrac{1}{3} }}}$