易错汇总2016年广东省广州市越秀区七年级上学期数学期末试卷和解析版

word2015-201610330132A2BCD223A3a2+a=4a3B3ab=3a+bC5a4a=1Da2b2a2b=a2b33A2B3C5D643x=32xm=1mA7B5C5D75360AOABOBCOCDOD63ABCD73mnAmnBm=nCmnDm=n83a10%10%AaB0.99aC1.21aD0.81a932016A6049B6050C6051D6052103ABCD63181131912357900000km579000001337039143xyab3x+3y15322.53//163*aba*b=3a2b2*5=42*5=7721712112465215+1323512189ABCD1ABCB2ABEDECBO3ADFAD=DF191111931+x=22x+121=201015x2+43x22x25x6x+9x=225a+b27a+b8a+b2+6a+ba+b=2110CDAB234EABCB=14cm1AB2ED2210AOBOEBOCOFAOC11AOB=90AOC=30EOF22AOB=EOF3OEBOCOFAOCEOB=BOCCOF=AOCAOB=EOF231040051050001=24%10%20%2015-201610330132A2BCD222A23A3a2+a=4a3B3ab=3a+bC5a4a=1Da2b2a2b=a2bA3a2aB3a+3bCaDa2bD33A2B3C5D62+3=5C43x=32xm=1mA7B5C5D7x=32xm=16m=1m=7D5360AOABOBCOCDODOC60C63ABCDABCDC73mnAmnBm=nCmnDm=nm2n222m=nD83a10%10%AaB0.99aC1.21aD0.81aa1+10%110%=0.99aB932016A6049B6050C6051D605211+3=421+32=731+33=1041+34=13n1+3n=1+3n201620163+1=6049A103ABCD321B63181131981+9=88812357900000km579000005.79107579000005.791075.791071337039109211807039=109211092110921143xyab3x+3yxyabx+y=0ab=1x+y=0ab=13x+3y3x+y=0=15322.53/27/x/2x+3=2.5x3x=2727163*aba*b=3a2b2*5=42*5=162*5=3225=6+10=16167721712112465215+13235121=48+30=182=1=1=13=54+36=12189ABCD1ABCB2ABEDECBO3ADFAD=DF191111931+x=22x+121=11933x=4x+24x3x=219+37x=141x=2333x112=25x79x312=10x149x10x=14+3+12x=11x=1201015x2+43x22x25x6x+9x=225a+b27a+b8a+b2+6a+ba+b=1=5x2+43x22x2+5x6x9=x5x=2=25=72=3a+b2a+ba+b==+=2110CDAB234EABCB=14cm1AB2ED1AC=2xCD=3xDB=4xCB=CD+DB3x+4x=14x=2AB=AC+CD+DB=18cm2EABEB=AB=9cmED=EBDB=1cm2210AOBOEBOCOFAOC11AOB=90AOC=30EOF22AOB=EOF3OEBOCOFAOCEOB=BOCCOF=AOCAOB=EOF1BOC=AOBAOC=9030=60OEBOCOFAOCEOC=BOC=60=30COF=AOC=30=15EOF=EOC+COF=30+15=452OEBOCOFAOCEOC=BOCCOF=AOCEOF=EOC+COF=BOC+AOC=BOC+AOC=AOB=a3EOB=BOCEOC=BOCCOF=AOCEOF=EOC+COF=BOC+AOC=BOC+AOC=AOB=a231040051050001=24%10%20%15000510400=5500005500002x[51014%400x]?5000?1+10%=550000?1+20%x=30.430.4OABOCDOACOBDAEB=60OEAEDRTOABOCDOACOBDAEB=90OEAEDOABOCDAOB=CODOACOBDAEB=AOBOEAEDOA=OBOC=ODAOB=CODCDABOCDOCDOABOACOBDACBDEBEC=BOAAOB=90OCDOABOACOBDOCDOAOBOCODACBDtanBDACADBC2222CDABBCADBDACSABCD21