Question

Как решить уравнение
(7 1/4 -6 7/18)*7,2+2,8=

Answer 1

$(7 frac{1}{4} - 6 frac{7}{18} ) times 7.2 + 2.8$
$( frac{29}{4} - frac{108}{18} ) times 7.2 + 2.8$
$( frac{261 - 216}{36} ) times 7.2 + 2.8$
$frac{45}{36} times 7.2 + 2.8$
$1.25 times 7.2 + 2.8$
$9 + 2.8$
$= 11.8$