1平面直角直角坐标系复习教案教学目标:1DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD2DDDDDDDDDDDDDDDDDDDDDDDDDDDDD3DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD教学重点:叩 DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD2DDDDDDDDDDDDDDDDDDDDDDDDDD教学难点:、DDDDDDDDDDDDDDD2DDDDDDDDDDDDDDDDDDDDDD教学方法:DDDDDDDD教具准备:DDDDDDDDDDDDDDDDDDDDDDDD教学过程:师生互动设计意图□□□□□□□□□□□□□□□□□□□□□□□□□□ 1D□ 2D□ 3D□□□□□□□□□□□□□□2□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□一、情境导入□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□PDQD 田 GDDDDDDD二、解读探究:□□□□□□□□□□□□□□□□□□□□□□□□□□□□□AD□田□□□□□□□□□□□BD□CD□□□□□□□□□□□DD□ED□□□□□□□□□□□FD□GD□□□□□□□GD3M2 叮叮叮叮口3(□1,1□(1D1)叮叮叮叮叮叮叮叮口(2 叮1)□□(2U2)叮叮y□□□□□□□□□□□□(3,2)叮叮叮叮叮叮(3,□2)02 叮xD2□□P(xD2Dx)叮叮叮口x=0□□P(xD2Dx)D□□□□□3 叮叮叮叮叮口A⑵3)B(2 叮3)DC(D5D3)叮口□□□□□□□□□□□□□□□□□□□□□□□□(2 叮1)叮口x 叮叮叮叮叮叮(□3D2)□□(2U2)叮叮□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□a□□□□□□□□□1 叮P(U3U2)叮 X 叮叮叮叮口(□3,□2)aaay 叮口□ AB 叮口卫_(x 叮 yD)□□□BCDDD 厘_(x 叮yD)□4 叮口P 叮叮叮叮x 叮叮口2 叮 y 叮叮口5 叮PD□ □□(□5D2)DnnK-□□□y□□□□□□□□□□□□□□□□□□□□□□a□□□□□□□□□□」L⑶2)1DD□□□□□□"r(□3D2)叮口 y□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□4□□□□□□□□□□□□□□□□□□□□□□□...