摘要: 如图.两个反比例函数y= 和y= (其中k1>k2>0)在第一象限内的图象依次是C1和C2.设点P在C1上.PC⊥x轴于点C.交C2于点A.PD⊥y轴于点D.交C2于点B.则四边形PAOB的面积为( )A.k1+k2 B.k1-k2 C.k1?k2 D.
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