Question

Выполните действия:2)4/1/2×(-4,05)×(-1/1/9)​

Answer 1

$4 frac{1}{2} times ( - 4.05) times ( - 1 frac{1}{9} ) = frac{9}{2} times ( - frac{81}{20} ) times ( - frac{10}{9} ) = frac{9 times 81 times 10}{2 times 20 times 9} = frac{81}{2 times 2} = frac{81}{4} = 20frac{1}{4} = 20.25$