Question

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

Answer 1

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