Question

Вычислите 8/5 * (3/4 + 11/8).

Answer 1

$frac{8}{5}*( frac{3}{4} + frac{11}{8} ) = frac{8}{5}*frac{6+11}{8} = frac{1}{5} * frac{17}{1} = frac{17}{5} =3 frac{2}{5} =3,4$

Answer 2

1)118+34=1.375+0.75=2.125
2)85=1.6
3)2.125*1.6=3.4