Question

(21/6+51/6:42/15)*3/82=

Answer 1

Решение будет 3,5 (округленно)

Answer 2

$( \frac{21}{6} + \frac{51}{6} : \frac{42}{15} )* \frac{3}{82} = \\ \\ (\frac{21}{6} + \frac{17}{2}* \frac{5}{14} )* \frac{3}{82} = \\ \\ (\frac{21}{6} + \frac{85}{28})*\frac{3}{82} = \\ \\ \frac{183}{28} * \frac{3}{82} = \frac{549}{2296}$