广东省广州七年级下学期期中考试数学试题有答案

41209012B22B34(30)(10330.)12010()()ABCD2P(-12)()ABCD3EACAB//CD()A21B43CDCEDD180ACDD4xy43125yxyxyx()A4B4C2D25451=202()A15B20C25D30[6()5A9)3(2B33C39D336464EDCBA4321373.14159263641.010010001522322()A1B2C3D48()A1B2C3D49MOQQONORQONOPMONPOR()AB60CQON21D4591010ABCD()AGEDFBBDBGFECEBDGFDDGFEB(90)(6318)112___________16912ABCD1=702=_______3=______4=_______.1313)2(1yxaaxy_____a14mn75_________2nm15pxy3P________161A(10)2A(11)3A(11)4A(11)5A(21)2010AGFEDCBA4321ACDBABCDE(72)17(48)(1)322722)5((2))725()574(7218(48)(1)142yxyx(2)11)1(2231yxyx19(6)ABCDAECDCDEAEEA=37oD20(6)c303)4(2bacba621(6)25/16/5200100/30/880022(8)ABC(ABC)ABCA(24)B(31).(1)C(2)ABC12A1B1C1ABCP(ab)PP1.ABC23(8)ADEB12FGABCDAB24(10)ADBCABCDEBCAEBADDEADE=3CDEAED=60(1)ABC=ADC(2)CDE25.(12)ABA(a0)B(b0)aba=+1AB21ABCDACBDCD(1)ABDCABDCS(2)yMMAMBMABSABDCSM(3)PBDPCPOPBD(BD)DCPBOPCPODCPCPOBOP12324EDCBA(330)15DBABC610DCBDA(318)11813127070110132147715(30)(30)16(503503)17(48)(1)=)3()22(52(2)=725574722=244=0418(48)(1)+53x(2)yx61135x212y-y=1135x135yy=1232y4y=1x+1=6x=543235yx415yx419(6)ABCDA=37ECD=A=372ABCDEDEAECED=904D=180ECDCED=1803790=53620(6)0304ba34ba227c3cba627634=7621(6)(1)xy3580200622(8):(1)(2)C(11)(3)(2)111ABC(6)1P(a+2b-1)(8)23(8)CDAB(1)ADEBDEBC(3)1BCD(4)122BCD(5)CDFG(6)CDBFGB90(7)CDAB(8)24(10)(1)ABCDABC=DCE1ADBCADC=DCE3ABC=ADC4(2)CDE=xADC=2x5ABCDBAD=1802x6AEBADEAD=xBAD090217ADBCBEA=EAD=90x8BED+ADE=18090x+60+3x=1809x=15CDE=1510[25(12)(1)3,1ba2C(02)D(42)3SABDC=ABOC=42=84(2)MABhSMAB=1/2ABh=2hSMAB=SABDC2h=8h=46P(04)(0-4)8(3)PPEABOCE9ABPECD10DCP+BOP=CPE+OPE=CPOEDCBADCPBOPCPO=112