用分枝定界法求解下述整數(shù)規(guī)劃問(wèn)題
已知某運(yùn)輸問(wèn)題的單位運(yùn)價(jià)及最優(yōu)調(diào)運(yùn)方案如表所示,試回答下述問(wèn)題: