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若(a^m+1*b^n+2)(a^2n-1*b^2n)=a^5*b^5^ 则求m+n的值
人气:493 ℃ 时间:2020-05-21 12:53:24
解答
(a^m+1*b^n+2)(a^2n-1*b^2n)=a^5*b^5
a^m+2n *b^3n+2=a^5*b^5
3n+2=5
3n=3
n=1
m+2n=5
m=5-2n=5-2=3
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