已知2a/(a-b)=3求分式(a*a+ab)/(a*a-ab)的值

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已知2a/(a-b)=3求分式(a*a+ab)/(a*a-ab)的值已知2a/(a-b)=3求分式(a*a+ab)/(a*a-ab)的值已知2a/(a-b)=3求分式(a*a+ab)/(a*a-ab)

已知2a/(a-b)=3求分式(a*a+ab)/(a*a-ab)的值
已知2a/(a-b)=3求分式(a*a+ab)/(a*a-ab)的值

已知2a/(a-b)=3求分式(a*a+ab)/(a*a-ab)的值
2a/(a-b)=3,2a =3(a-b),a=3b
(a*a+ab)/(a*a-ab)=(3b*3b+3b*b)/(3b*3b-3b*b)=12/6=2