a^m=2,a^n=9 ap=3 求a(^m-2n+3P)急``

来源：学生作业帮助网编辑：作业帮时间：2024/05/04 12:26:30

a^m=2,a^n=9 ap=3 求a(^m-2n+3P)急``
a^m=2,a^n=9 ap=3 求a(^m-2n+3P)
急
``

a^m=2,a^n=9 ap=3 求a(^m-2n+3P)急``
a^(m-2n+3p)
=a^m÷a^2n×a^3p
=a^m÷(a^n)^2×(a^p)^3
=2÷9^2×3^3
=2/3

a^(m-2n+3p)=a^m*a^3p/a^2n=a^m*(a^p)^3*(a^n)^2=2*27/81=2/3

a^(m-2n+3p)
=a^m*a^3p/a^2n
=2*3^3/9^2
=2/3

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