Question

помогите срочно правельно пжжжжжжжжжж​

Answer 1

$\frac{19}{28} \div (3 \frac{5}{6} - 2 \frac{13}{14}) = \frac{19}{28} \div ( \frac{23}{6} - \frac{41}{14} ) = \frac{19}{28} \div \frac{19}{21} = \frac{19}{28} \div \frac{21}{19} = \frac{1}{4} \times 3 = \frac{3}{4}$