1、5 1500.2kg101 2 3 4 5 6 7 8 9 10(kg)50 50.1 49.9 50.1 49.7 50.1 50 50 49.9 49.95()A1B2C3D423.2()A3.2 B3.2C3.2D3ab()A0ab+B0ab C0abD0ab 4abc0ac 0ba+()A0bc+B|bc C|abD0abc 5mnmmnn0()A0nnmm B0nmnm C0nmmnD0nmmn5306 6()A|5|5|=B|5|5|=C|5|5=D|1.3|0 7PA14BB1A9()A0B1C2D3853+4700.53.456516()A2B3C4D51010099%0200
2、825.21166530.31.0200200027 14250.25+10.5+0.754()A1B1C99D10124()A3B1C2 D4 3222(2)(2)|2|()A4B3C2D14188“+”18“”18“0”()20.3+0 0 1.210.5+0.4A25%B37.5%C50%D75%5abcabc+bca+cab+()AB11451515708 CD6ABCDEaBCbDE|3ab+=()AAEBABCBCDBE7()A212B0.512C313D1228()A|aa=0a B|ab=ab=C|aa0aD|abab9|abab+=+ab()AabBabCab+Dab10A3
3、5A2 B2C8 D8()9 111451270.511 1(1)4 C10 C(2)23335433()A0B1C2D32ABCD23ABBCCD=AD56BD()A6 B5 C3 D2 3()ABCD4()A3 C B7 CC2 C D5 C5155“”22|2|2(2)1212 123()A3 B1 C2D323|14+()A 74B 1 C 14D 1433 3P()A7 B5 C4 D1 410025%20%()AB5C5D105()A5(6)11+=B1.3(1.7)3+=C(11)74=D(7)(8)1=6A11mBA15mCB7mC()530A11 B19C3 3D 13 73
4、(+)1=814 11(2)(3)(4)(5)(6)(99)(100)(101)+()A0 B1C50D51 2m|mm+()ABCD3“”ab()A3B2C2 D3 46166SS()A9 B10 C12 D13 5abcabc+()A0 B2 C2D226ACACAB181015592.58515 33145(2)(1)()4747+()ACCDEDFEGFBG908060507040A210 B130 C390 D2107100100()A0 B100C100 D200 83245315+()A910415+B910415+C910415+D1094159(1)(2)13()22+(3)
5、(4)(5)(6)(7)(8)(9)(10)31714612+(5)(17)(3)+6(5)(12)+12(18)(7)20+45 168+32(18)1829+7(13)(9)+9(4)(8)7+16(11)(7)(10)(8)(2)+(12)11131(1)1(2)(3)(1)424244+10abcd2eabcde+=11201512“”ABC13|1a=|2b=|3c=abcabc+=14123456789596979899 100+=154 C3 C9 CC17 14(2()A84ZedB137ZedC138ZedD261Zed23579195 197 199+()A9699 B99
6、99 C9899 D9799 332332636()A3B4C5D6Zed8284 406065 1436 16 1020 51518 41()(4)8=()A12B2 C2D125()A1 B1C1D0 19 1“”11=234()AB49C2450 D22()A5 B5 C3 D331616116160 1 2 3 4 5 6 7 8 9 100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 AB=()AB72 CD4()A3B2C1D056.375()AB0.8C0.8D0.72 12=3 2 16=4 3 2 1=50!48!5048|1x=|4y=0 xy
7、xy353509AFABCDEF1EDB+=6E5F0Ba20a 220ab+=0ab+=0ab+=1ab=0ab 3|abcabc+=53020 6()A0 B1 C0 D7811|2a1.5(4)6=56()()65=21 1()A11(3)()422=B34()143=C0(6)6=D(3)(6)2=2ababab=+2(3)=()A11 B11C6 D63(5)(3)8+=512()()663+=13()93 =.()A0B1C2D34(1)(2018)2019=0(1)1=(3)(3)9=5(5)1=()A1B2C3D4516 C10 C5()A30 CB24 CC20 CD16 C
8、616109AF16160 1 2 3 4 5 6 7 8 9 ABCDEF100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 5AF+=312F+=1EDB+=A C=()A6EB78 C5FD0B 113514152.58522 76(1)(2019)2020=0(1)1=111236+=11()122=2(3)6=13232=()A1B2C3D4810010%10%()A99B100C101D110910010010051000105002020040100100010100()A7.2B7.2C7.2D7.2101200033.25%1111111 2233
9、499 100+=1237372413Cyxkm/x km0.5 1.0 1.5 2.0 23/Cy2.0 1.04.07.01km2.4kmC14()(3)11=5()17=(13)()34+=(22)(+)13=(23)3154=(1)(3)325=15(1)(2)(3)(4)(5)(6)(7)(8)3(24)4(4)()2+8 12(16)|23|+(1259712)(36)+3121(0.75)10514143+153(12)()234+13(1)(48)64+532314|913|5719262619+712510(31)(1)11131113+25 1()A3(2)5 =B2(3)
10、9=C527+=D210533=2abcdm2|abmcdm+()A1 B2C13D32523+=+=+=()A2 B4 C8 D16 432()A3 3 B33+C2 2 2 D222+52018“”562020()A52 10B420 10C60.2 10D520 1051526 1a()22aa=22()aa=33aa=33()aa=ABCD23(2)()A23B23C32D32323.46111.982346.1()A11980 B119800 C1198 D1198000 44007600040076000()A80.40076 10B74.0076 10C640.076 10D54
11、00.76 10548.1“48.1”()A848.1 10B94.81 10C104.81 10D100.481 106201620171(1)+()A1B0 C2D1 7“*”*ba ba=23*239=1()*32=()A16B8 C18D328mxy20182()xym+=_53027 1(5)(3)8+=3(2)6=51()()166+=13()93 =()A0B1C2D32()A326=B880=C2416=D523+=3()A(16)(4)4=B|25|3=C2(3)9=D3(2)6=4abcdm3 22017()()mcdab mcd+()A 8B 0 C 4 D 7 5201
12、72018(1)(1)+()A2B2 C0 D161m()A51()3mB511()3mC52()3mD521()3m744442222+()A62B48C162D8211455516191528 822123(3)2()A0 B54C18D18 9“”(1)021 21=102(10)1 20 22=+=2102(101)1 20 21 25=+=2(1101)()A11 B13 C15 D16 102.0503()A2.10.1)B2.050.001)C2.05D2.05011a5.28a()A5.2755.285aB5.2755.285aC5.2755.285aD5.2755.285a120.0204_1366.4 10 m196 10 m_14850000015“”“2.60m2.56m2.62m29”12.60m216232006200722222+174114114114114130 182222(2 1)2=3222222(2 1)2=4333222(2 1)2=11009922=2122nn=323420132014222222+
