Question

помогите решить
(2/3-3/4):1/10+3,1

Answer 1

$( \frac{2}{3} - \frac{3}{4} ) \div \frac{1}{10} + 3.1 = - \frac{1}{12} \times 10 + \frac{31}{10} = - \frac{5}{6} + \frac{31}{10} = \frac{68}{30} = 2 \frac{4}{15}$