Question

Решила уравнения:369000: x =3, 45000x y= 180000

Answer 1

Ответ:

$\frac{369000}{x} =3\\369000=3x\\{369000\over 3}=x\\x=123000$

$45000xy=180000\\xy={180000\over45000}\\123000y=4\\y={123000\over4}\\y=30750$