(1).解:原式·················· 2分 ························· 3分 (2).原方程可变形为:3(x–2)–x="0····················" 1分 整理,得 2x=6,······························· 2分 解得 x=3.·································· 3分 经检验,x=3是原方程的解.·························· 4分 (1)根据二次根式,零次幂求解 (2)先去分母,然后化简求解 |