發送短信 : The optimal value bounds of the objective function in the interval linear programming problem

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| \  / ||  |  ___|| | \  / ||   / _ \\  | \  / || 
|  \/  ||  | ||__   |  \/  ||  | / \ || |  \/  || 
| .  . ||  | ||__   | .  . ||  | \_/ || | .  . || 
|_|\/|_||  |_____|| |_|\/|_||   \___//  |_|\/|_|| 
`-`  `-`   `-----`  `-`  `-`    `---`   `-`  `-`