挑战习题
1/5单选题
难度:

1.如图,两个反比例函数y=和y=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 2
B 3
C 3.5
D 4
提示1:
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
正确答案:Qg==
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