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11(12090)(330)1(2015)49227(3)0()A.9B.227CD(3)028()A4B4C.8D83(2015)15()A4B3C2D14()A0.640.8B1.961.4C.92535D.3278325N()A.10B.5C.3D.2(5)6325263()A.325263B633252C.326352D6352327a24b29ab0ab()A1B5C5D58(8)x64y()A2B8C.2D.892x133xy14yx2()A5B5C5D25101()(10)A0.1B.0.04C.30.08D0.3(330)1132________________123540________1343________________14a32a15________152xy3|y38|0yx________()16P3Q2QPPQ______________()176cm127cm3________cm.18abababab79________1920nn________20(1)11212112111(2)11121232112321111(3)1111212343211234321111112345678987654321______________________(229267272810660)21x(1)4x225(2)(x0.7)30.027.22.(1)12238|19|(2)3131331212(3)1328932(27|73|)23|3xy1|2xy4x4y243x1x2y14x3y25abc|a||c||b3||a2||c2|2c.(25)2680km/hv16dfv(km/h)d(m)fd16f1.69.27(21)(21)1(32)(32)1(43)(43)1(54)(54)1(1)121132143120152014(2)11101211281m1.3m1m(1)(2)(28)1.C2.D3.B4.C5.A6.D7.B8.D9.C10B112140.2B.11.232312.13.53114.915.16232317.718.219.52011111111121.(1)4x225x2254x52(2)(x0.7)30.027x0.70.3x1.22(1)142214.(2)11110.(3)19893(2737)1313.23.||3xy12xy403xy102xy40x1y2x4y9.x4y3.24x19x2y127x10y8.4x3y164316.25a2c2b3b3a22c2cb3ac.|a||c|ac0b3.26d16f1.69v16dfv16161.6983.2(km/h)83.28027(1)121132143120152014(21)(32)(43)(20152014)20151.(2)111101110112111211111012111111011211.111001211011101211.28(1)1m2221.3(2)(28)12(12090)(330)1(a3)2()Aa5Ba5Ca6Da62()A(a1)2a21B3a2b2a2b23abC(2ab2)38a3b6Dx3xx43()A(3x)(3x)9x2B(y1)(y3)(3y)(y1)C4yz2y2zz2y(2zyz)zD8x28x22(2x1)24232013322014(1)2015()A.23B.32C23D325am2an3ap5a2mnp()A2.4B2C1D06()()x210x254a24a1x22x1m2m144x4x214.A1B2C3D47ab2(a2b2)(ab)2()ABCD4818x3y49xy227x2y29xy()A2x2y3y3xyB2x2y32y3xyC2x2y32y3xyD2x2y3y3xy9x2axba(x6)(x1)b(x2)(x1)x2axb()A(x2)(x3)B(x2)(x3)C(x2)(x3)D(x2)(x3)10(xy)364()(10)Axy6Bxy2Cxy8Dx2y236(330)11(1)(2a)3(3a2)____________(2)am2an3amn__________amn__________12xy5xy1x2y2________13xpx2xp________142015201720162__________15|a2|a24ab4b20a________b________16a2a14________17(2015)412(xy)9(xy)2__________181325472(12412)224264142(22422)235274232(32432)246284342(42442)2n(n2)2(n4)4________194abcd22abcdabcdadbc2x11x1xx18x________20(x1)(x1)x21(x1)(x2x1)x31(x1)(x3x2x1)x41(x1)(x4x3x2x1)x51220142201322012232221________(2712860)21(1)[x(x22x3)3x]12x2(2)x(4x3y)(2xy)(2xy)(3)5a2b13ab(2ab2)2(4)(a2b3c)(a2b3c)22(1)(x5)(x1)(x2)2x2(2)(2015)(2a)(2a)a(a5b)3a5b3(a2b)2ab12.23(1)6ab324a3b(2)2x2y8xy8y(3)a2(xy)4b2(yx);(4)4m2n2(m2n2)2.24x3m2y2m3(x2m)3(ym)6(x2y)3mym25abcABCa22b2c22b(ac)0ABC26(xa)(xb)x2(ab)xabx2(ab)xab(xa)(xb)x2(ab)xabx26x5x2(15)x15(x1)(x5)x26x5x2(15)x(1)(5)(x1)(x5)x24x5x2(51)x(5)1(x5)(x1)x24x5x2(51)x5(1)(x5)(x1)(1)y28y15(2)y28y15(3)y22y15(4)y22y15.27()ax2bxc()a0x24x2()x222x24x2()x22()224xx24x2()x22()422xx24x2()2x22x2.(1)x28x4(2)x2y2xy3y30xy.1.C2.D3.D4.D5.A6.C7.C8.D9.B10.D11.(1)24a5(2)62312.513.214.1152116.|4a2|17.(3x3y2)218(n24n2)219.2207220142201322012232221(21)(220142201322012232221)2201512122242382416253226642n(n)24862015450332201582201517.21.(1)(x32x23x3x)12x2(x32x2)12x22x4.(2)4x23xy(4x2y2)4x23xy4x2y23xyy2.(3)5a2b13ab4a2b460a3b4.(4)[(a2b)3c][(a2b)3c](a2b)2(3c)2a24ab4b29c2.22(1)x2x5x5x24x42x21.x22(2)217.(2)4a2a25ab3a5b3a4b24a2a25ab3ab42ab.ab1242125.23(1)6ab(b24a2)6ab(b2a)(b2a)(2)2y(x24x4)2y(x2)2.(3)a2(xy)4b2(xy)(xy)(a24b2)(xy)(a2b)(a2b)(4)(2mnm2n2)(2mnm2n2)(mn)2(mn)2.24(x3m)2(y2m)3(x3m)2(y2m)222332232427495.25ABCa22b2c22b(ac)0a22abb2b22bcc20(ab)2(bc)20.ab0bc0abc.ABC26(1)y28y15y2(35)y35(y3)(y5)(2)y28y15y2(35)y(3)(5)(y3)(y5)(3)y22y15y2(53)y(5)3(y5)(y3)(4)y22y15y2(53)y5(3)(y5)(y3)27(1)x28x4x28x16164(x4)212x28x4(x2)24x.(2)x2y2xy3y30xy2234(y2)20xy20y20y2x1xy(1)21.13(12090)(330)1()ABCD2()AS.S.A.BS.S.S.CA.S.A.DS.A.S.3ABCABC()(3)ABCD4ABCBCABCDEF100ABC100()AABBCCDBC(5)5ABEACD12BC()AABACBBAECADCBEDCDADDE6ABCABCABABBBABCABC()ABCBBAACACACDCC7()ABCD8ABCABmACnBCABEAEC()AmnBmnC2mnD2m2n9ABCC90ADBACBCDBC64BDCD97DAB()A18B32C28D24(8)(9)(10)1030ABCAADEBDBCEBECDACDCAEDACEBAEDABD()ABCD(330)11________________________________________________________________________12AD90ACDBOBOCH.L.Rt________Rt________ABDC________AOBDOCOBOC.13ABCABDEACEABCBEC30cm20cmAB________cm.(12)(13)(14)(16)14PAONAPBOMBPAPBMON50OPC30PCA________15ABC18cmBC8cmABCABCABC________16(2015)ABCDAFBEAOD______17(2015)ABC12BECDAB5AE2CE________18AB12mCAABADBABBAC4mPB1m/minAQB2m/minDPQ________CAPPBQ.(17)(18)(19)(20)19RtABCA90ABCBDACDAD3BC10BDC________20ABCBCBACDDEACEDFABBAFCDEBDFCAAB2AEBDCFAE180BAC90.____________()(2122623248252610271260)21mnSP.PSABmnP()(21)22EFGNMHFM(1)(2)EF2.1cmFH1.1cmHM3.3cmMNHG(22)23ABCADBACGCAGEADABFBCE.AGF(23)24ABCABACA36ACABEDEC.(1)ECD(2)CE5BC(24)25ABCC90ADBACDEABEFACBDDF.(1)CFEB(2)ABAF2EB.(25)26AEFCAECFEFEDACFBACABCD.(1)BDEFGBDEF(2)DECAC(26)27aABCACBDBCADADADADEF.(1)ABACBAC90DBC(B)bCFBD________CFBD________DBCc(2)ABACBACDBCACBCFBC(CF).(27)1.A2.A3.C4.A5.D6.C7.D8.A9.C10.B11.12ABCDCBA.A.S.131014.5515.8cm5cm169017.3184mintminCAPPBQAPABBP12tBQ2t.CAPPBQAPBQ12t2tt4.4minCAPPBQ.191520.21.(21)22(1)EFMNEGHNFGMHFHMGFMENEGFMHNFHNMGE.(2)EFGNMHMNEF2.1cmGFHM3.3cmFH1.1cmHGGFFH3.31.12.2cm.23AGFADBACBADDAC.GEADGFABADGDAC.GGFA.AFGA.AGF24(1)DEACAECEECDA36.(2)ABACA36ABCACB72.BECAACE72BBECBCCE5.25(1)ADBAC