Question

730-215-16 решите срочно нужно

Answer 1

730-215-16= 730-430-530=-230=-115

Answer 2

$frac{7}{30} - frac{2}{15} - frac{1}{6} = frac{7}{30} - frac{4}{30} - frac{5}{30} = frac{7-4-5}{30} = - frac{2}{30} = - frac{1}{15}$
:-)