Question

Реши уравнение
5 45 + x = 8 1720

Answer 1

$5 frac{4}{5} +x=8 frac{17}{20}$
$x=8 frac{17}{20} -5 frac{4}{5}$
$x=8 frac{17}{20} -5 frac{16}{20} =3 frac{1}{20}$

Answer 2

$5 frac45+x=8 frac{17}{20}\ 5.8+x=8,85\ x=8,85-5,8\ x=3,05\ x= 3frac{5}{100}\ x=3 frac{1}{20}$