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是解分式方程吧. 2x/(2x-1)+x/(x-2)=2 (2x-1+1)/(2x-1)+(x-2+2)/(x-2)=2 1+1/(2x-1)+1+2/(x-2)=2 1/(2x-1)+2/(x-2)=0 去分母 x-2+2(2x-1)=0 整理,得 5x=4 x=4/5
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