Question

дробь: (11*23)*45-(9*23)=?

Answer 1

$(11 times frac{2}{3} ) times frac{4}{5} - (9 times frac{2}{3} )$

$frac{22}{3} times frac{4}{5} - frac{9 times 2}{3}$

$frac{44}{15} - 6$

$frac{44}{15} - frac{90}{15}$

$otvet : - frac{46}{15}$