Question

Решите пожалуйсто
1)X+y/y • (x/x+y - x-y/x)
2)(4a-2a/a+1)(a+1/2a^2
3)(1/a-1/b):b^2-a^2/ab^2

Answer 1

1) x+y/y × x^2-(x+y) × (x-y)/x × (x+y)
1/y × x^2 - (x^2-y^2)/x
1/y × x^2 - x^2 +y^2/ x
1/y × y^2 /x
y/x