x,y满足约束条件y≥2,2x+y-5≥0,x+y-4≤0,则z=|1/2x+y-5|的最小值是

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x,y满足约束条件y≥2,2x+y-5≥0,x+y-4≤0,则z=|1/2x+y-5|的最小值是
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x,y满足约束条件y≥2,2x+y-5≥0,x+y-4≤0,则z=|1/2x+y-5|的最小值是
x,y满足约束条件y≥2,2x+y-5≥0,x+y-4≤0,则z=|1/2x+y-5|的最小值是

x,y满足约束条件y≥2,2x+y-5≥0,x+y-4≤0,则z=|1/2x+y-5|的最小值是
x=y=2,z=-2,z最大,x=3/2,y=2,z=-9/4,z最小

有绝对值。最小值为2