Question

Помогите с пояснением. ((4 1/2)^3*1.8^2)/(1 4/5)^3

Answer 1

$frac{(4 frac{1}{2})^3*(1,8)^2}{(1 frac{4}{5})^3 } =frac{(frac{9}{2})^3*( frac{9}{5} )^2}{(frac{9}{5})^3 }=$$frac{(frac{9}{2})^3}{frac{9}{5} }= frac{9^3}{2^3}* frac{5}{9} = frac{9^2*5}{2^3}= frac{81*5}{8}= frac{405}{8}=50 frac{5}{8}=50,625$