x + y = (2018x / x - y) - (2019y / x - y)
Объяснение:
x^2 - y^2 = 2018x - 2019y
(x - y)(x + y) = 2018x - 2019y
x + y = (2018x / x - y) - (2019y / x - y)
Объяснение:
x^2 - y^2 = 2018x - 2019y
(x - y)(x + y) = 2018x - 2019y
x + y = (2018x / x - y) - (2019y / x - y)