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已知正数x、y满足,则x+2y的最小值是A.18B.16C.8D.10
试题详情
已知正数x、y满足
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADYAAAAjCAYAAADfXvn1AAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
,则x+2y的最小值是( )
A.18
B.16
C.8
D.10
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