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 DD10DDADDDDDDDD40DDBDDDDDDDD20DDDDDD100DDADBDDDDDDDDDDDDDDD120DDDDADBDDDDDDDDDDDDDDDDDDDDDDDDDDDADDDDDDDDDDDDDDDD9DDDDDDDDDDDAD-8D3DDBD-4D5DDCD0DnDDDDmD0DD10DDDDaDbDDDDD4甲 11I.平面直角坐标系中的最短路径D8DDDDDDDDDDDDDDDAD-1D-1 叮 BD2D3 叮口 MDxDDDDDDDMB-MADDDDMDDDDDDDDDDDABCDDDDDDDDDDDna+b=2DDnnnnnnnnnnnDDDDDD1DDDDDDDDDMD3D2 叮 ND1D-1 叮 DPDyDDDPM+PNDDDDPDDDD7DDDDDDDDDMD3D2 叮 ND1D-1 叮 DPDyDDDPM+PNDDDDPDDD5一次函数中的最短路径DDDDDDDDDDAD2D0 叮 BD3D0 叮 PDDDy=xDDDDDPA+PBDDDDDDPDDDDD终极挑战DDDDDDDRtDABCDDDB=90 叮 AB=3DBC=4DDDEDFDDDDDABDBCDCADDDDDDE+EF+FDDDDDDDDDDDDDABCDDDDDDDDEDFDDDABDBCDCADDDDEFDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD2DDDDDDDDDDAD2D-1DDBD3D3 叮 DDDPDyDDDDDDDPDADBDD6
