若x,y满足2x+y=1,则(1/2x)+(4/y)的最小值是?
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若x,y满足2x+y=1,则(1/2x)+(4/y)的最小值是?
若x,y满足2x+y=1,则(1/2x)+(4/y)的最小值是?
若x,y满足2x+y=1,则(1/2x)+(4/y)的最小值是?
若x,y满足2x+y=1,则(1/2x)+(4/y)的最小值是?
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