Question

5 - 1 1/3 X 1 1/4 X 27 31

Answer 1

$5 - 1 frac{1}{3} times 1 frac{1}{4} times frac{27}{31} =3 frac{17}{31} \ \ 1)1 frac{1}{3} times 1 frac{1}{4} = frac{4}{3} times frac{5}{4} = frac{5}{3} \ \ 2) frac{5}{3} times frac{27}{31} = frac{5 times 27}{3 times 31} = frac{45}{31} = 1 frac{14}{31} \ \ 3)5 - 1 frac{14}{31} = 4 frac{31}{31} - 1 frac{14}{31} = 3 frac{17}{31}$

Answer 2

если что то не понятно спрашивайте