Question

Вычисли 3/5:1.3+(5/26-1)

Answer 1

$= frac{3}{5}:1 frac{3}{10}+ frac{5}{26}-1= frac{3*10}{5*13}- frac{21}{26}= frac{6}{13}- frac{21}{26}= frac{12-21}{26}= -frac{9}{26}$