20道分式方程练习题

20道分式方程练习题1.解分式方程：$\frac{2}{x3}=\frac{1}{x+2}$2.解分式方程：$\frac{3}{x+1}+\frac{4}{x2}=2$3.解分式方程：$\frac{1}{x4}\frac{2}{x+3}=\frac{3}{x^2x12}$4.解分式方程：$\frac{2x}{x5}=\frac{3}{x+4}+1$5.解分式方程：$\frac{4}{x+3}\frac{3}{x2}=\frac{1}{x^2+x6}$6.解分式方程：$\frac{5}{2x+1}=\frac{3}{x4}+\frac{2}{x+3}$7.解分式方程：$\frac{x+2}{x3}=\frac{2}{x+1}\frac{1}{x2}$8.解分式方程：$\frac{3x}{x2}\frac{4}{x+3}=\frac{5}{x^2+x6}$9.解分式方程：$\frac{2}{x+4}+\frac{3}{x5}=\frac{7}{x^2x20}$10.解分式方程：$\frac{4x}{x+2}=\frac{3}{x3}+\frac{2}{x+1}$11.解分式方程：$\frac{x1}{x+4}=\frac{2}{x3}\frac{1}{x+2}$12.解分式方程：$\frac{5}{2x1}=\frac{3}{x+2}+\frac{2}{x3}$13.解分式方程：$\frac{3x+2}{x4}=\frac{4}{x+1}\frac{1}{x2}$14.解分式方程：$\frac{4}{x5}\frac{3}{x+2}=\frac{1}{x^23x10}$15.解分式方程：$\frac{2x+3}{x6}=\frac{5}{x+3}\frac{2}{x3}$16.解分式方程：$\frac{3}{x+4}+\frac{4}{x5}=\frac{7}{x^2x20}$17.解分式方程：$\frac{5x}{x7}=\frac{4}{x+2}+\frac{3}{x1}$18.解分式方程：$\frac{x+3}{x8}=\frac{2}{x2}\frac{1}{x+3}$19.解分式方程：$\frac{4x2}{x+5}=\frac{3}{x4}+\frac{2}{x+1}$20.解分式方程：$\frac{6}{2x3}=\frac{4}{x+2}\frac{2}{x3}$1.解分式方程：$\frac{1}{x1}+\frac{2}{x+3}=\frac{3}{x^2+2x3}$2.解分式方程：$\frac{3}{x4}\frac{2}{x+5}=\frac{1}{x^2+x20}$3.解分式方程：$\frac{4}{x+6}=\frac{2}{x7}+\frac{1}{x+2}$4.解分式方程：$\frac{x2}{x+8}=\frac{3}{x2}\frac{2}{x+4}$5.解分式方程：$\frac{5}{2x5}\frac{3}{x+3}=\frac{2}{x^2x15}$6.解分式方程：$\frac{2x}{x3}=\frac{4}{x+1}+\frac{1}{x5}$7.解分式方程：$\frac{3x+1}{x7}=\frac{5}{x+2}\frac{2}{x3}$8.解分式方程：$\frac{4}{x+9}+\frac{3}{x8}=\frac{7}{x^2x72}$9.解分式方程：$\frac{5}{x11}=\frac{3}{x+4}\frac{2}{x7}$10.解分式方程：$\frac{x+6}{x10}=\frac{4}{x+5}+\frac{1}{x2}$11.解分式方程：$\frac{6}{2x+1}\frac{4}{x6}=\frac{2}{x^25x6}$12.解分式方程：$\frac{7}{x13}=\frac{5}{x+3}+\frac{2}{x4}$13.解分式方程：$\frac{2x3}{x+11}=\frac{6}{x1}\frac{3}{x+5}$14.解分式方程：$\frac{8}{x14}\frac{5}{x+6}=\frac{3}{x^28x84}$15.解分式方程：$\frac{3x+4}{x16}=\frac{7}{x+2}\frac{1}{x8}$16.解分式方程：$\frac{9}{x+12}=\frac{6}{x5}+\frac{3}{x+3}$17.解分式方程：$\frac{4x5}{x17}=\frac{8}{x+4}\frac{2}{x9}$18.解分式方程：$\frac{10}{2x9}=\frac{7}{x+1}+\frac{3}{x5}$19.解分式方程：$\frac{x+8}{x19}=\frac{5}{x3}\frac{2}{x+7}$20.解分式方程：$\frac{6x+7}{x21}=\frac{9}{x+2}\frac{4}{x11}$答案1.$x=1$2.$x=4$3.$x=3$4.$x=2$5.$x=3$6.$x=1$7.$x=2$8.$x=3$9.$x=4$10.$x=1$11.$x=3$12.$x=2$13.$x=3$14.$x=4$15.$x=3$16.$x=4$17.$x=1$18.$x=2$19.$x=3$20.$x=2$1.$x=1$2.$x=4$3.$x=6$4.$x=2$5.$x=5$6.$x=7$7.$x=3$8.$x=8$9.$x=11$10.$x=10$