解下列分式方程:(1)7/(x-2)=5/x;(2)x/(x-1)+(5x-2)/(x²-x)=1;(3)2/(x+3)+3/2=7/(2x+6);(4)1/(x²+5x+6)=1/(x+2)+1/(x+3).
问题描述:
解下列分式方程:(1)7/(x-2)=5/x;(2)x/(x-1)+(5x-2)/(x²-x)=1;
(3)2/(x+3)+3/2=7/(2x+6);
(4)1/(x²+5x+6)=1/(x+2)+1/(x+3).
答