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11,0xf1,0x;2142)(xxf1x1,fxafxaRa.xf_x0001_2a423f1axf2,2-0a212xaxf,001-axfNnayn12n0211nn.A4B3C2D2R()fx(1)1fxR1()2fx221()2xfx_________(1,1)1()()2xgxfx1()()02gxfx11(1)(1)02gf221()2xfx22()0(1)111gxgxx221()2xfx(1,1)30+2(),0,,()log3fxxffxx2)()(xfxfA.21,0B.1,21C.2,1D.3,2(0,)x2()log3ffxxfx(0,)2()logfxx2()logtfxx2()logfxxtft=3log2t+t=3t=22()log2fxx1()ln2fxx()()2fxfx21log22ln2xx21log0ln2xx21()logln2hxxx211(1)log10ln2ln2h211(2)log2102ln2ln4h21()logln2hxxx(1,2)()()2fxfx(1,2)4.201410221()(0)()ln()2xfxxexgxxxaya()A1(,)eB(,)eC1(,)eeD1(,)ee0,0x0220001ln2xxexxa001ln2xexa0,0x001ln2xexa,,lnlnaeae0,0x0220001ln2xxexxaaxexln210xh0ln,21xxxex0lnxxxa21,0eeaa21,21lnea21)(xf)1()(xfxf3,1xxxfln)(331xaxxfxg)()(aAe10Be210Ce13ln3De213ln3133x113x11()ln()lnfxfxxxfx0a0a1(,1]3x13xlnfxxln,(1,3]gxxaxx11axgxaxx0gx1xagx0gx1xagxfx1,31()03010gaggln313ae13xy=axlnfxxa22015822,2,2,2,xxfxxx2gxbfxbRyfxgx4b()A7,4B7,4C70,4D7,2422,2,2,2,xxfxxx222,0(2),0xxfxxx222,0()(2)42,0222(2),2xxxyfxfxxxxxxx222,0()(2)2,0258,2xxxyfxfxxxxx()()()(2)yfxgxfxfxb,yfxgx4()(2)0fxfxb4yb()(2)yfxfx4864224681510551015724b.ygx2ybfx3201410)(xfR0x)3|2||(|21)(222aaxaxxfRx)()1(xfxfaA.]61,61[B.]66,66[C.]31,31[D.]33,33[x0f(x)x0xa2a2a2xa2xa2x2a2f(x)f(x)f(x1)?xRf(x1)f(x)a2(a2)?a66664fx4x1]fxm03fx=x5mABCDx1]2+=10x1]y=x42+=1=1y0x82+=1=1y05y=x42+=1=1y09m2+1272m2x+135m2=0t=9m2t0t+128tx+15t=0=8t2415tt+10t159m215m0my=x82+=1=1y00mm5xxfxxRex2()10fxmfxm4mA2112eeB202eeC111eD212ee0xxexxf)(0)0()(minfxf0xxexxf)(xexxxf221)('21x0)('xf210x0)('xf)(xf21,0,21eefxf22)21()()(xft012mmtt0)1)(1(mtt1ttxf)(01)()(2mxmfxfeem2210eem2211.31t33()()(ln)3fxxtxtaxRaA1(,]2B2(,]2C(,2]D(,2]22'()3()3(ln)30fxxtxta22222(ln)ln0xttxttax2224(ln)8(ln)0,tttta222lnln20ttttat2(ln)2tta2(ln)()2ttut(t0)(1)(ln)'()tttutt01t10,ln0ttt1t10,ln0ttt1t2(ln)()2ttut12A2,[0,)xy2242xyxyaxeeaA14B1C2D12D)1(22)(22222xyyxyxyxeeeeee22(1)4xeaxxeax212xexgx21)(22(1)1()xexgxx(2)0g),2(()0gx)2,0[()0gx)(xg1)2(g21a21a321xyCxaeyC2aA28eB24eC28eD24e1C211()xx2C22(e)xxa2221121e2exxaxxaxx212exxa221121e2xaxxxx1222xx212exxa224(1)exxa4(1)()exxfx4(2)()exxfx()fx(12)()fx(2)max24()(2)efxf421ln,2xxgexfx,0,bRabgafabA22ln1B22ln1C12eD1ebgaf21ln2bea21ln2beta2lnta21teb(t)h=ab0,2ln21ttetft'(t)htetft2121''(t)h=021t21,0t(t)h,21t(t)hab22ln15ya2(1)yxlnyxxAB||ABABC324D32ya2(1)xa12axlnxxatlntta12aABtlnln11222tttttln()122ttgt0t'111()222tgttt'()0gt1t'(0,1),()0tgt'(1,),()0tgtmin3()(1)2gtg32AB||AB32.1.fxfxxR2fxfxln42f2xfxeA.ln4xB.0ln4xC.1xD.01x2xexfxg222221xxxeexfexfxgxfxf210xgxg14lng2xfxe12xexf4lngxgxg4lnx2.),0()(xf),0(x)(2)2(xfxf]2,1(xxxf2)(Zm0)2(mf)(xf),0[Zn9)12(nf)(xf),(baZk)2,2(),(1kkba2fxx3.2013f(x)x3ax2bxcx1x2f(x1)x1x3(f(x))2af(x)b0()A3BC5Dfx)x2axb,3f2(x)af(x)b0x2axb0x1x2f(x)x1f(x)x2.x1x2x2x11f(x)x12f(x)x21f2(x)af(x)b03x1f(x1)x1x2x2x12f(x)x12f(x)x21f2(x)af(x)b03f2(x)af(x)b034.32()2lnfxxexmxx()fxxgx()gxmA.21(,]eeB.21(0,]eeC.21(,)eeD.2211(,]eeee(x)h5.21()ln(22)(0)4fxxaxaxaa123,,xxx312123()()()3fxfxfxxxxa121(,)22e