摘要： 解分式方程:． 解:方程两边同乘以-2.得1-+2(-2)=1. ··············· 2分 即1-+2-4=1.························· 4分 解得=4．····························· 6分 经检验. =4是原方程的根．···················· 7分

网址：http://m.1010jiajiao.com/timu_id_2040020[举报]