Question

Помогите срочно надо(

Answer 1

Ответ:

$( \frac{13}{4} + \frac{23}{6} ) \div ( \frac{23}{4} - \frac{11}{3} ) =$

$= ( \frac{39 + 46}{12} ) \div ( \frac{69 - 44}{12} ) = \frac{85}{12} \div \frac{25}{12} = \\ \frac{85}{12} \times \frac{12}{25} = \frac{85}{25} = \frac{17}{5}$