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已知a,b∈R+,且a+b=1,则http://picflow.koolearn.com/upload/papers/g02/20110929/20110929110550687957.gif的最小值是

发布时间:2021-07-21

A.4http://picflow.koolearn.com/upload/papers/g02/20110929/20110929110550703882.gif

B.1

C.2http://picflow.koolearn.com/upload/papers/g02/20110929/20110929110550734882.gif

D.3+2http://picflow.koolearn.com/upload/papers/g02/20110929/20110929110550734882.gif

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