Question

7/12*(-4/21)+18,9:(-6,3)= помогите пожалуйста

Answer 1

$- \frac{7}{12} * \frac{4}{21} + 18 \frac{9}{10} : (-6 \frac{3}{10} ) = - \frac{1}{9} - \frac{189}{10} * \frac{10}{63} = - \frac{1}{9} - 3 = - \frac{1}{9} - \frac{27}{9} = -\frac{28}{9}$
= - $3\frac{1}{9}$