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如图,数轴上与1,对应的点分别为A,B,点B关于点A的对称点为C,设点C表示的数...
如图,数轴上与1,
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对应的点分别为A,B,点B关于点A的对称点为C,设点C表示的数为x,则|
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192421159095499/SYS201311011924211590954014_ST/1.png)
|+
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=
.
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已知两个分式:A=
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,其中x≠±2,下面有3个结论:
①A=B;
②A、B互为倒数;
③A、B互为相反数,
那么正确的结论是
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x-1
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如图1,在直角梯形ABCD,∠B=90°,DC∥AB,动点P从B点出发,由B--C--D--A沿边运动,设点P运动的路程为x,△ABP的面积为y,如果关于x的函数y的图象如图2,则△ABC的面积为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101192421159095499/SYS201311011924211590954009_ST/images0.png)
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