最新华东师大版八年级数学上册知识点总结

====1=2,?=[3(-2)](x)(y)=:aaa00aa()(a)===5=a(a)=2,=2a,a001.2.,0(-2=(-2+(-2)=-6+10X+2X3==24=24=8:(9)(3x)=9=3(a+b)(a-b)==(a+b)(a-b)22=(a+b)(a-b)=11.S.S.S.2.S.A.S.3.A.S.A.4.A.A.S.5.H.L.DBCA1.ADBD=BC,BAD=CAD2.EF,C,AC=BC,DEFDA=DBCEAFBDEFABDA=DBDA=DBDABOPAOBPDPEPE=PDDEBOAPPDPEPE=PDOPAOB6060abcc:abcc3455121368101P0P1bca=,===11===