2/5
Пошаговое объяснение:
(1-3/5)*x=4/25
(5/5-3/5)*x=4/25
2/5*x=4/25
x = 4/25 ÷ 2/5
x = 4/25 * 5/2
x = 2/5
2/5
Пошаговое объяснение:
(1-3/5)*x=4/25
(5/5-3/5)*x=4/25
2/5*x=4/25
x = 4/25 ÷ 2/5
x = 4/25 * 5/2
x = 2/5