河南省濮阳市2021-2022学年七年级下学期期中数学（含答案解析）

,\rYZMDE+ZDEN=\S00.\r:mlIn!\r¾2\r(3)$:ABHCD,\rN2=N3,\rVZ1=Z2,Z3=Z4,\rN1=N2=N3=N4.\r/.180°Z1Z2=180°Z3Z4,Z5=Z6,\rmHn.\r¾3\r>?˜A¯°\nB™??¿?À6Á?AJKÂÃÄÅCDE\rF*J%Æf?.\r23.(1)y=-jx+2(2)18.TS(1)\rÇZXxˆh\r‚ƒ„11†?‡13†EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r(2)‹‰gxWˆCËÌ?SÍÎÏ?stuˆ§ËÌ?ÐÑ\r¤¥Ò\rÓÔ͈.\r(1)6ABSÍv\riA(0,2),B(3,0)Tk2w\r,(b=2\rˆÕ+Ö0\rk=~-\rˆ3,\rh=2\rצ6ABSÍvy=-1x+2h\r(2)Ø>§m§Ù?ÀÚvM\r77Üx=0Œ?y=-4,ÝC(0,-4),\r2\ry=ÞÞx+2\r3\rstu\r1,\ry=-x-4\r3\r‚ƒ„12†?‡13†EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\rÝD(6,-2),\r.DM=6\rVC(0,-4),A(0,2)\r.AC=6\rצS^ADC+ßACxDM=1x6><6=18\r22\r>?˜A\nB™56*ày??IA5á6à>ËÌ?âG‹{5á6*\r(㐑äXåæÍ×u]Ž‘stuhç5á6G??JZ?èéê\rëì\1ZX*0?íe*0.î\nB™ÇZXx‘äXSÍ¿¤¥Ò\rÓ.\r‚ƒ„13†?‡13†