已知8a^(m-6)b^(-11+n)与-2a^(3m-2)b^(2n)的积与5a^4b是同类项,求（m-n)^2011的值?[8a^(m-6)b^(-11+n)][-2a^(3m-2)b^(2n)]=-16a^(m-6+3m-2)b^(-11+n+2n)=-16a^(4m-8)b^(3n-11)-16a^(4m-8)b^(3n-11)与5a^4b是同类项,4...