计算:8/(4x^2-1)+(2x+3)/(1-2x)=-1 化简:2x/(x^2+2x+1)+1-x/(x+1)-(x^2-x)/(x^2-1)
来源：学生作业帮助网 编辑：作业帮 时间：2024/12/02 02:02:34
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计算2x X 4x--3x=