雅礼初二上数学试卷

120143301.2430xx--=A2(2)7x-=B2(2)1x+=C2(2)1x-=D2(2)2x+=2.11802A.B.C.D.3.225yxx=+-xA2B-2C1D-14ABCOABC=60AOCA30B60C100D1205.5611ABCD6.xABA32BA-3,2B3-2C-3-2D3,0728cm24cmA5762cmB5762cmpC6722cmD672p2cm8.A0,0,0abcB0,0,0abcC0,0,0abcD0,0,0abc9.54ABCD10.BACADBCEODA??CDBD=BCDDB=CCEEB=DBCDCAD?32411.2(2)310mxmx+++=x____m=12.OAB(0,0),(3,4),(5,2)OABOABO9011OABV1A_______13ABCDOEBC100BOD?oDCED_______14.2cm120_______15.COOAOB=80_____AB??16243yxx=-+xABPPAB________17.Mx(2,0),(8,0)AByCM________18.ABCDOCD=4cm3cm________6619.3612(21)1x-=222740xx--=20.621(2)2yx=+(1,1)xyOOBACABCCOxyOABB1A1DAOBCxCABOyOACMB121315174810221.8ABCDAB=6ABC=60ABOCDOE1OCD______2AEADDEp22.822yxxm=-++x(3,0)AByC1mB2(,)Dxy0,0xyABDABCSS=VVD23.9ABOPABPDODCOPC=PD1PCO2PC=4PB=1O249ABCDAAEFGFGBCH1HG=HB22cmABHG2433cm25.1025100202530yx40-(2530)25-0.5(3035)xxyxx??=???=--1282Wx3Z1067.5;AOBDECPCDOAADCBGE212324xyOCBA2232610M40M2xAB216yxbxcAByC1C2(8,)Qm216yxbxcPPQ+PB4CECMEOExBCEADOyM26