Question

упростите выражение у/х+у:(х/х+у-х-у/х)
ПОМОГИТЕ СРОЧНО

Answer 1

1)x/(x+y)-(x-y)/x=(x²-x²+y²)/[x(x+y)]=y²/[x(x+y)]
2)y/(x+y):y²/[x(x+y)]=y/(x+y)*x(x+y)/y²=x/y