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问几个问题：m-n=6,mn=2,则(m+3)(n-3)= (-2)^2011(-1/2)^2012= a大于0,a^x=2,a^y=5,则a^2x-2y=(2x-y-3z)(-2x-y+3x)(a-b-c)^2-(a+b-c)^26(7+1)(7^2+1)(7^4+1)*(7^8+1)+1

分类: 作业答案 • 2022-07-21 19:34:36

问题描述：

问几个问题：m-n=6,mn=2,则(m+3)(n-3)= (-2)^2011*(-1/2)^2012= a大于0,a^x=2,a^y=5,则a^2x-2y=
(2x-y-3z)(-2x-y+3x)
(a-b-c)^2-(a+b-c)^2
6*(7+1)*(7^2+1)*(7^4+1)*(7^8+1)+1

答

问几个问题：m-n=6,mn=2,则(m+3)(n-3)= (-2)^2011*(-1/2)^2012= a大于0,a^x=2,a^y=5,则a^2x-2y=(2x-y-3z)(-2x-y+3x)(a-b-c)^2-(a+b-c)^26*(7+1)*(7^2+1)*(7^4+1)*(7^8+1)+1

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问几个问题：m-n=6,mn=2,则(m+3)(n-3)= (-2)^2011(-1/2)^2012= a大于0,a^x=2,a^y=5,则a^2x-2y=(2x-y-3z)(-2x-y+3x)(a-b-c)^2-(a+b-c)^26(7+1)(7^2+1)(7^4+1)*(7^8+1)+1