[(a2+ab)/b]*[(a2-ab)/(a2-b2)] 若 [(x+1)/(x-1)]÷[(x-2)/(x-3)]有意义,则x的取值范围为?

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[(a2+ab)/b]*[(a2-ab)/(a2-b2)] 若 [(x+1)/(x-1)]÷[(x-2)/(x-3)]有意义,则x的取值范围为?
[(a2+ab)/b]*[(a2-ab)/(a2-b2)]
若 [(x+1)/(x-1)]÷[(x-2)/(x-3)]有意义,则x的取值范围为?

[(a2+ab)/b]*[(a2-ab)/(a2-b2)] 若 [(x+1)/(x-1)]÷[(x-2)/(x-3)]有意义,则x的取值范围为?
a^2/b;
x≠1,且x≠2,且x≠3

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