A.無(wú)最優(yōu)解B.有無(wú)界解C.有唯一最優(yōu)解D.有無(wú)窮多最優(yōu)解
A.指派問(wèn)題B.背包問(wèn)題C.生產(chǎn)問(wèn)題D.排序問(wèn)題
A.基變量B.非基變量C.松弛變量D.多余變量