Question

(3/4+1/20)*1/2=
(7/12-1/3)*16/19=
Заранее спасибо ​

Answer 1

Ответ:

$1.( \frac{3}{4} + \frac{1}{20} ) \times \frac{1}{2} = \frac{4}{5} \times \frac{1}{2} = \frac{2}{5}$

$2.( \frac{7}{12} - \frac{1}{3} ) \times \frac{16}{19} = \frac{1}{4} \times \frac{16}{19} = \frac{4}{19}$