1轴对称求最短路径——从将军饮马说起□教研讲义■随堂讲义■课下练习□测验卷在相应的资料类型前涂黑前情回顾D1DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDAODDBDDDDDDDDDDDDDDDDDDDDDDDDD作图集中营□□叮 1DDDDlDDDDDPDDPA+PBDDDD2DDDDlDDDDDPDDPA-PBDDDD3DDDDlDDDDDPDDPA-PBDDD特殊三角形中的轴对称2D2 叮□叮 DDDABCDDDD2DMDBCDDDDDDPDACDDDDDDDDDPB+PMDDDDD练一练这题和之前的有什么不同D3DDDDDDDAOBDDDDaDPDDAOBDDDDDDDDDOP=2DDEDFDDDOADOBDDDDDDDPEFDDDDDDDD2DDaDDD作图集中营②DDDDD2 叮 DABCDDDDDDDDDDDDDDABDDDDDDBCDCADDDDDDD1DDDRtDABCDDAB=BC=4DDDBCDDDDDACDDDDDDEDDDEDOEBDDDBDE3将军又要饮马了D4DDDDADDDDBDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD造桥工程师D5DDDDADBDDDDDDDDDDDDDDDDDDDMNDDDADBDDDAMNBDDDDDDDDDDDDDDDDDDDDDDDDDDDD6DDDDDDDDDDDDDDDDDDDDDDDDDDDDDlDlDDDDDDlDlD1234DDDDDADDDDDDDBDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD8□叮 DD10DDADDDDDDDD40DDBDDDDDDDD20DDDDDD100DDADBDDDDDDDDDDDDDDD120DDDDADB
