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要做一个圆锥形的漏斗,其母线长为 http://picflow.koolearn.com/upload/papers/20140824/20140824053016413504.png,要使其体积为最大,则高为(   )

发布时间:2021-07-15

A.http://picflow.koolearn.com/upload/papers/20140824/20140824053016429685.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824053016444727.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824053016460582.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824053016491719.png

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