Question

-10 2/7:1 13/35+3 9/11:1 1/55 (пример)

Answer 1

$-10frac{2}{7}:1frac{13}{35}+3frac{9}{11}:1frac{1}{55}=-frac{72}{7}*frac{35}{48}+frac{42}{11}*frac{55}{56}=-frac{15}{2}+frac{15}{4}=frac{-30+15}{4}=\=-frac{15}{4}=-3frac{3}{4}=-3,75$