x^-2/3=25x^-3/5=27a^2+B^2=169

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x^-2/3=25x^-3/5=27a^2+B^2=169
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x^-2/3=25x^-3/5=27a^2+B^2=169
x^-2/3=25
x^-3/5=27
a^2+B^2=169

x^-2/3=25x^-3/5=27a^2+B^2=169
(1)1/(x)^2/3=25,x^2/3=1/25,
x^(1/3)=1/5,x=1/125.
(2)1/x^(3/5)=27,
x^(3/5)=1/27,
x^(1/5)=1/3,
x=(1/3)^5=1/243.
(3)是求整数解吗?
有勾股数,5,12,13,
则a=5,b=12,或a=12,b=5.