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本帖最后由 朱明君 于 2023-2-4 23:32 编辑
\( 设n为大于等于2的正整数\)
则\(\left[ \left( 2^n-1\right)^n\right]^{n-2}+\left[ \left( 2^n-1\right)^{n-1}\right]^{n-1}=\left[ 2\times\left( 2^n-1\right)^{n-2}\right]^n\)
\(设xn均为任意正整数,\)\(\left( 2^n\right)^x=\left( 2^x\right)^n,\)\(2\times\left( 2^n\right)^x=2^{nx+1},\)
\(则\left( 2^n\right)^x十\left( 2^n\right)^x=2^{\left( nx十1\right)}\)
\(则\left( 2^x\right)^n十\left( 2^x\right)^n=2^{\left( nx十1\right)}\)
\(则\left( 2^n\right)^x十\left( 2^x\right)^n=2^{\left( nx十1\right)}\)
\(设a^n+b^n=z{,}\ \ az=x{,}\ \ bz=y{,}\)
\(其中abn均为任意正整数,\)
\(则x^n+y^n=z^{n+1},\) |
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