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1()(560)1()ABCA(1)DB1.75cm2{xN*|x32}()A{0,1,2,3,4}B{1,2,3,4}C{0,1,2,3,4,5}D{1,2,3,4,5}3ABA*B{x|xx1x2x1Ax2B}A{1,2,3}B{1,2}A*B()A9B14C18D214M{1,2,3,4,5}()A32B31C30D165A{(xy)|y1x21}B{(xy)|y1x2}C{(xy)|(xy)B(xy)?A}BC()A{(1,0)}B{(1,0)(1,0)}C{(1,0)}D{1,1,0}6M{1,2}{1,2,3}M()A1B2C3D47M{x|2x2}N{x|x1}?RMN()A{x|x2}B{x|2x1}C{x|x1}D{2x1}8UMN?UMNN()A?UM??UNB?UM??UNC?UN?MDM??UN9A{x|a1xa2}B{x|3x5}A?Ba()A{a|3a4}B{a|3a4}C{a|3a4}D?10M{x|x2x0}N{x||x|2}()AMN?BMNMCMNMDMNR11P{3,4,5}Q{4,5,6,7}P*Q{(ab)|aQbQ}P*Q()A3B7C10D1212f(n)2n1(nN)P{1,2,3,4,5}Q{3,4,5,6,7}P{nN|f(n)P}Q{nN|f(n)Q}(P?NQ)(Q?NP)()A{0,3}B{1,2}C{3,4,5}D{1,2,6,7}21320{yxyxA)}1,1{(B}1,1{C11D}1{14.A{x|x}B{x|x}()A.AB.ABC.ABD.AB15.A={xZkkx,2},B={Zkkxx,12},C={Zkkxx,14},,BbAaA.a+bAB.(a+b)BC.(a+b)CD.(a+b)ABC8.16.{1,2,3}M{1,2,3,4,5,6}MA.8B.7C.6D.517.U={12345678}A={345}B={136}{2,78}A.ABB.BAC.BCACUUD.BCACUU18.{|32}MmmZ{|13}NnnMNZ()A01B101C012D101219.A={x|ax22x1=0}aA0B01C1D20A{x|x3}B{x|xa}B?Aa________21IPQPQI.PQ?______________________22A{a,08}Bc1b8AB3a2006b20074c2008________23U{x|1x100xN}A{x|x3kkN}AUB{xx3k1kN}BU?U(AB)____________________.243125.}33|{xxU}11|{xxM}20|{xxNCUN)(NCMUNM.326(10)S{x|1x7}A{x|2x5}B{x|3x7}(1)(?SA)(?SB)(2)?S(AB)27.}04{2xxA}02{axxBABa28.}71{xxA}521{axaxB}73{xxBAa29.02baxx1ab213ab30.}31{xxA},{2AxyxyB},2{AxaxyyCBCa31(12)(1)AxN66xN(2)B?UB{1,0,2}?UA{131,3}A{0,2,4,6}432(12)A{x|x2ax10}B{1,2}ABa33(12)A{x|x22ax4a30}B{x|x222xa220}aAB?34(12)A{x|x2pxq0}B{x|x2qxp1}AB{1}AB.35(12)ABABAB{x|xAx?B}(1)AB(2)ABBA(3)A{x|x4}B{x||x|6}A(AB)B(BA)()5ACBCCBB13},13{Znnxx,1603|{xxN}32x}10|{)(xxNCMU13|{xxNM}32x.17.{0.-1,1}18.2a19.(1)a2-4b=0(2)a=-4,b=320.32a