Question

не могу решить !!!! помогите!!

Answer 1

Ответ &/$#@$*/*&^/^/$#@#/^/$##/

Answer 2

a
1)(a²+b²)/ab+2=(a²+b²+2ab)/ab=(a+b)²/ab
2)(a+b)²/ab*ab/(a+b)=a+b
b
1)(x+2)/9x²+2x+4)-(6x-13)/(x-2)(x²+2x+4)=(x²-4-6x+13)/(x³-8)=
=(x²-6x+9)/(x³-8)=(3-x)²/(x³-8)
2)(3-x)²/(x-2)9x²+2x+4) *2(x²+2x+4)/(3-x)=2(3-x)/(x-2)