n = 20
Пошаговое объяснение:
3/5 * 3/5n = 36/5
3/5n = 36/5 : 3/5
3/5n = 36/5 * 5/3
3/5n = 12
n = 12 : 3/5 = 12 * 5/3 = 4 * 5 = 20
Проверим:
3/5 * 3/5 * 20 = 36/5
9/25 * 20 = 36/5
9/5 * 4 = 36/5
36/5 = 36/5
n = 20
Пошаговое объяснение:
3/5 * 3/5n = 36/5
3/5n = 36/5 : 3/5
3/5n = 36/5 * 5/3
3/5n = 12
n = 12 : 3/5 = 12 * 5/3 = 4 * 5 = 20
Проверим:
3/5 * 3/5 * 20 = 36/5
9/25 * 20 = 36/5
9/5 * 4 = 36/5
36/5 = 36/5