Question

25 баллов. 1 1/2 х 2 / 9 - (6 - 5 целых 3/5)

Answer 1

$frac{3}{2}*frac{2}{9}-(6-5frac{3}{5})=frac{1}{3}-frac{2}{5}=frac{5}{15}-frac{6}{15}=-frac{1}{15}$