2016年中山市中考数学试题(含答案)

11223344551-5AABCB6-10BCDAC11312m+2m-213-3x1141015316a23117=3-1+2=418=aaaaaaa2)3()3(232)3(61313a191AC(2)BC=8201x45.112001200xxx=1002120010-100100100%=20%21ACBDCEFCGFCI23aBCCI89233662212502310844802311mxy2m=212y=kx+1k=1(2)2,1(3)cbxaxy21221)35,0(35,1,32cba35322xxy432abx241AFO+AOF=90BEO+BOE=90BOF=AOEAFO=BEODAE+OAC=180ACF+ACO=180OAC=OCADAE=ACFACFDAE2ABC=30AOC=60AOC43432OASAOC,OA=1BOE=AOF=60BEO=30BE=33BOD=30DB=2AB=3232ACDE=DB+BE=33773OOGEFG12AFO=30BOEAOFOE=OFOFE=302-1802-180OBABOAEOFAFO=GFO=30OG=OA,EF2512OA=OPOAOPOBQ=45OQB=45BOQOB=OQAB=PQ=2ABOPQOSASOA=OPAOB=POQAOP=AOB+BOP=POQ+BOP=90OA=OPOAOP3OOEBDE:BQPBOEPBSOPB4121QBCBQ=2-X41)1(41)2(412xxxSOPBx=141PBCBQ=2+x41)1(41)2(412xxxSOPB88x=2,2PCOPB2.PS