高中数学代数与函数一其他练习题110
题目内容

已知约束条件对应的平面区域 http://picflow.koolearn.com/upload/papers/20140824/20140824033038809315.png如图所示,其中 http://picflow.koolearn.com/upload/papers/20140824/20140824033038840497.png对应的直线方程分别为: http://picflow.koolearn.com/upload/papers/20140824/20140824033038856986.png,若目标函数 http://picflow.koolearn.com/upload/papers/20140824/20140824033038872552.png仅在点 http://picflow.koolearn.com/upload/papers/20140824/20140824033038887601.png处取到最大值,则有 http://picflow.koolearn.com/upload/papers/20140824/201408240330389033596.png

2021-07-19

A.http://picflow.koolearn.com/upload/papers/20140824/20140824033038918509.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824033038934508.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824033038950515.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824033038965426.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824033038981459.png

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