二次根式综合复习(提优)VIP免费

参考资料D4a(a>0)DDDDDDDDDDD^DDDDDDDDD^DDDDDDDDD9DDDDa2—2a+1DDDDDDADBDJ—10CDJa+1D2gg\：agVa2bg'、：x+1gv1+x2D込DDDDDDDDDDD□□□□□□□□□□□□1DDDDDDDDDDDDDD而DaD0DDDDDDDDDD□□□□2DDD4aDaD0DDDDDDDDD'■[aD2=aDaD0DDDDDDDDDDDDD3DDDDDDDDDDDDD□□□□DDDDDDDDDDD□□□□□□□□□□□□DDDDDDDDDDDDDDDDDDDD二次□10DDDD1UJ5,2)P，3)-広+2,4)",5)J(—1)2,6)7T—^,7)JDDDDDDDDDDODD1DDDDDDDDDDDDDDDDDra=：□2口DDD1DDDDDxDDDDDDD\：x—3ODD1DDDDDvx—3DDDDxDDDDDDDDx—4ADx>3BDxD3CDx>4DDxD3DxD42DDDDDD?m+DDDDDDDDDDDDDDPDmDnDDDDDD\"l十,v'mnADDDDDBDDDDDCDDDDDDDDDDDMEo二次很式足处的远鬧0300y二、:x—5+\5—x+2009DDx+y二ODD参考资料OD1DDv'x—1―、1—x二(x+y)2DDxDyDDDDDADD1BD1CD2DD32DDaDDDDDDDDD2a+1+1DDDDDDDDDDDDDDm:挪咖辭与小s齡D4DDDaD<5DDDDDbD再DDDDDDDODD1DDv'3DDDDDDaDDDDDDbDDv3a—b=D12DDV-17DDDDDDxDDDDDDy叮x2+-卄y叮-□□□□□□□□□□□□DDDDDD1.DDDDx'a(a>0)DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD2.(*a)2=aQ>0)DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDa=G-'a)2(a>0)3.总=la屮°>0)I—a(a<0)参考资料4.DD总机屮°-0)DI-a(a<0)(丫订)D1DVa2DDDDDDDDDDDDDDaDDDDDDDDDD2DG-'a)2DDDDDDDDDDDDDDDaDDDDDDDDD3DVa2DG；a)2DDDDDDDDDDDDDDDDD:二魏碾或飽龜It弱鼠悭4DDa-2*心+(C-4)2=°,OD1DDDx,yDDDDDv'x-1x—yDDDDAD3BDD3CD12DDDDDDDDDDxDyDDDDDDDD13D4DDDva*2b*4DDDDDDDJx-3y*x2-9(x*3)2—0,求DD(a-b)2005—■3=:二液繼式的性U2□□□(轟)2—a(a>0)□□□□□6DDDDa-1*(Ja一3)2DDDDDDAD4D2aBD0CD2aD4DD4□□1DDDDDDDDDDDDm4-4m2*4二2DDDODDD1DDDDDDDDDDD2DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD3DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD匝匸贖譌頤3D□□屈=|a|=a(a>0)叮叮一a(a<0)□7DABDx+2CDD2—x4DDa<0DDDDDD□□□1D叮aDDDDDDDDDDDDDDDa—1+J(a—2)2=n2nDDDDaDbDDDDDDDDDDDDDI■1a1-1012参考资料DDx<2,DDD3DBDx<3DCDx>34DDDDDDDa+2a■—DDDDa2DAD—a—2(B)—s—a—2(C)、：a—2DDDDx<3(D)--fa—2□□□□□□□□□□□□□□□□□DDDDDD1DDDDDDDDD1DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD叮③DDDDDDDD2DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD□11QDDD3)(x2—xy;4)^27abcDDDDDDDDDAD1)2)□□□参考资料BD3)4)CD1)3)DD1)4)1)\：a2+b2;2)参考资料,t40b2八/54,J17(a2+b2)DDDDDDDDD1D•、DDDDDDDDDD