5/3×(3,7- 1 4/5) решить помогите

[latex] frac{5}{3} (3,7-1 frac{4}{5} )= frac{5}{3} (3 frac{7}{10} -1 frac{4}{5} )=frac{5}{3} ( frac{37}{10} - frac{9}{5} )=frac{5}{3} (frac{37-2*9}{10} )=frac{5}{3} *frac{37-18}{10} =[/latex] [latex]=frac{5}{3} *frac{19}{10} =frac{1}{3} *frac{19}{2}= frac{19}{6} = 3 frac{1}{6}[/latex]