Question

40 БАЛЛОВ ПОМОГИТЕ СРОЧНО

Answer 1

2x-y/xy-1/x+y×(x/y-y/x) =1/y
2x-y/xy-1/xy×x²-y²/xy-1/y
xy×(2x-y) -(x²-y²) -x²y/x²y²
2x²y-xy²-x²+y²-x²y/x²y²
x²y-xy²-x²+y²/x²y²

/-дробь.
×-умножение.