根式与分式化简1、(1/x^2-3x+2) +(1/x^2-x)+(1/x^2+x)+(1/x^2+3X+2)2、(2a
1个回答
(1)=4/x^2+4
(2)=7/a-2a+2
(3)能不能打清楚分号
(4)打清楚分号
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