解方程(X-2)/(X+3)=1-(2X-13)/(X^2-9)(X+1)/(X-1)+ 4/(X^2-1)=1 1/(2-X)=1/(X-2) - (6-X)/(3X^2-12)
来源：学生作业帮助网 编辑：作业帮 时间：2024/08/11 03:05:26
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