上游充廷大￥ SHANGHAI JIAO TONG UNIVERSITY solution: First,construct the Lagrangian function T=10P+20P2+30Pc3 +(Pa1+P2+Po3-250) +元(P1-100)+元2(P2-200)+(23300) PGI-72PG2-T3PG3 2016/12/22solution： • First, construct the Lagrangian function 2016/12/22 19       123 123 11 2 2 33 11 2 2 33 10 20 30 250 100 200 300 GGG GG G GG G GGG PPP PPP PP P PPP                    