a^2n+1b^2与5a^3n-2b^2是同类项,则n=?
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计算 (3A^N+2*B-2A^N*B^N-1+3B^N)*5A^N*B^N+3(N为正整数,n>1)
(a-b)^n(b-a)^2n(a-b)^5
a^2n+1b^2与5a^3n-2b^2是同类项,则n=?
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