Question

(2/3-3/7):10/21 = ?

решение и ответ

Answer 1

$( \frac{2}{3} - \frac{3}{7} ): \frac{10}{21} = \frac{14-9}{21} : \frac{10}{21} = \frac{5}{21}* \frac{21}{10} = \frac{5}{10} = \frac{1}{2}$

Answer 2

(2/3-3/7):10/21 = 5/21 : 10/21=5/10= 1/2=0,5