Question

три минус(одна шестая +две третих)

Answer 1

$3-( frac{1}{6} + frac{2}{3} )=3-( frac{1}{6} - frac{2*2}{3*2} )=3-( frac{1}{6} - frac{4}{6} )=3-(- frac{3}{6} )= \ \ =3-(- frac{1}{2} )=3+ frac{1}{2} =3 frac{1}{2}=3 frac{1*5}{2*5} =3 frac{5}{10} =3.5$