高中数学代数与函数一其他练习题107
题目内容

平面内区域M= http://picflow.koolearn.com/upload/papers/20140823/201408232232079341915.png的面积可用函数 http://picflow.koolearn.com/upload/papers/20140823/20140823223207965453.png表示,若 http://picflow.koolearn.com/upload/papers/20140823/20140823223207981549.png,则 http://picflow.koolearn.com/upload/papers/20140823/20140823223207997312.png等于(    )

2021-07-19

A.http://picflow.koolearn.com/upload/papers/20140823/20140823223208028310.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823223208043283.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823223208059411.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823223208090382.png

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