(1/x-1)+(2/6y-3)=1,(1/2x-2)-(1/2y-1)=0,解x、y.
问题描述：
(1/x-1)+(2/6y-3)=1,(1/2x-2)-(1/2y-1)=0,解x、y.
答
1/(x-1)+1/(6y-3)=1 1/(2x-2)-1/(2y-1)=0 令a=1/(2x-2),b=1/(6y-3) 则1/(x-1)=2a,1/(2y-1)=3b 所以2a+b=1 a-3b=0 a=3b 6b+b=1 b=1/7,a=3/7 1/(2x-2)=3/7 6x-6=7 x=13/6 1/(6y-3)=1/7 6y-3=7 y=5/3 x=13/6 y=5/3是不...