Question

А) 0.91 × (-10/13) - 4/7 ÷ 2 6/7

Answer 1

$a)0.91 times ( - frac{10}{13}) - frac{4}{7} div 2 frac{6}{7} =$
$1) frac{91}{100} times ( - frac{10}{13} ) = - frac{7}{10} :$
$2) frac{4}{7} times frac{20}{7} = frac{4}{7} times frac{7}{20} = frac{1}{5}$
$3) - frac{7}{10} - frac{1}{5} = \ frac{ - 7 -2 }{10} = \ - frac{9}{10} = - 0.9$
$Ответ : - 0.9$