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1、无(1 1)0.80.833331.251.25(2 2)171718189 91010171718181010(3 3)9.569.564.8754.8757 78 81.441.44(4 4)3 34 46 61 16 61 14 4(5 5)4.64.61 13 38 88.48.48 811111 13 38 85 5(7 7)4 41 12 23 36 63 35 5(8 8)18183 35 5191920202 22 25 51919202019192020(9 9)2 22 2252580808 813131.251.25(1010)25251.251.254 48 8(111

2、1)0.70.73.93.94.34.36.16.1(1212)7.357.3599997.357.35(1313)47478 817179 91717(1414)4646101101(1515)15.615.62 22 27 74 45 57 7(1717)14142 21 14 414143 33 34 4(1818)3 34 46 611113 317175 58 8(1919)8 89 97 715158 815159 98 88 89 9(2020)3 35 59 97 7202011113636(2121)7 76 67 715158 81515(2222)4 45 57 73 3

3、1 13 31 12 27 72 22 23 3(2323)5 57 74 43 32 27 74 43 3(2424)14149 975755 59 93 34 4(2525) (3 38 85 56 67 71212)2424(2626)2052053232656656(2828)1 14 45 52 2(1 14 41 16 6)(2929)4 43 35 51 11 14 41.751.750.40.4(3232) (1 13 31 15 5)4545(3333)2 2 1 16 6(3 34 47 71212) (3434)0.30.311(3.33.32.952.95) (3636

4、) (5 56 61 13 3)(5 58 81 14 4)(3737) (2 23 31 14 4)5 56 64 45 5 5 51111(3838) (2 25 51 17 7)35351 19 9(3939)2424(1 14 41 16 61 13 3)无(8 89 9 7 78 8(7 716161 18 8) (8.68.64.34.32 25 5(6 67 7(5 512120.250.25)5 58 8(4 43.63.6(4.74.72.32.3)3 37 7 1.21.2(4949)51518 817174 42 29 9(5050)5 58 8111110103 38

5、810101111(5151)9 92020 1 12 2(2 25 54 45 5) 5252)6060(5 512124 415151 12 2)5555) (8 815159 920202 23 3)1 11212(5858)1212(1 13 31 14 4)(5959) (9 910104 45 5)3 34 4(7575) (10105 512121 16 6)1 13 3(7777)4 49 9 3 34 4(7 716161 14 4) (7878)25.12525.12513135 517.417.4(7979)0.380.387 7191950504 419195050(8

6、181)6 61111171712123 31111(8282)1 18 8 1 12 2 (3 35 510109 9) (8686) (5 57 73 38 8)1 15656(8787) (20.120.121216 67 7)5.15.1(8888) 7.67.65.45.41.91.95.45.4(8989) 0.20.2 5 56 6 (0.150.159 92020)(9090)24242 23 3(5 51 18 8)(9292)1 15 55 58 81 14 42 23 3(9595) 15154 421218 87 71616(9696) 3.643.6411 (2121

7、10102.092.09) 无(9797)()(1 13 31 15 54 41515)4545(6060)101.1101.125.9325.935.15.10.850.85(6161) (5 58 81 14 4)(8 89 91 11 13 3)(6262)2.62.61 13 32 23 35 52 23 3(6363)3 31 11 17 76 67 7(6565)2 25 53 37 74 47 75 52 2(6666)12125 5(1 16 61 14 4)11111313(6767)1 14 42 23 3(4 45 58 81515)(6868)1 14 45 51.25

8、1.251 11 14 42.22.21 11 14 4(6969)13135 58 88 813131.251.25(7070)4 44 45 54 44 45 5(7171)5 58 8 (1 15 51 14 4)3 38 8 (7474)5 57 72 23 3141415151 19 9(7575) (10105 512121 16 6)1 13 3(7777)4 49 9 3 34 4(7 716161 14 4) (7878)25.12525.12513135 517.417.4无(7979)0.380.387 7191950504 419195050(8181)6 611111

9、71712123 31111(8282)1 18 8 1 12 2(3 35 510109 9) (8686) (5 57 73 38 8)1 15656(8787) (20.120.121216 67 7)5.15.1(8888)7.67.65.45.41.91.95.45.4(8989)0.20.2 5 56 6(0.150.159 92020)(9090)24242 23 3(5 51 18 8)(9292)1 15 55 58 81 14 42 23 3(9595)15154 421218 87 71616(9696)3.643.6411(212110102.092.09) (9797

10、)()(1 13 31 15 54 41515)454547.47.(3.23.21.5+2.51.5+2.5)1.61.611( (41+ +83)8191125543 3(1 16152)97无71327 71211(91+ +125)254435012525( (8765) )158+ +3243( (6543) )( (32+ +94) )11( (41+ +52)3.53.5(1(153) )32 4 483+ +31+ +4151 31( (21+ +65)1212(1(173) )(1(16152) )97(1(153) )52 4 48 874326154326121( (65

11、43) )92( (21+ +31) )(1(183) )513+3+543194+ +72+ +185217272(2131+ +41)2 232546198+ +7632+ +7383+ +5465+ +3171116+ +1157 74 4158325198(9+9+43)328732+ +872154+ +8541+ +212 29843313030(61+ +5221)87+ +3254+ +616 612510981313451+ +1395 51212(2131+ +41)51+ +9483+ +654 452158414848(3121+ +41)2569+9+25698242

12、4( (61+ +81) )无( (53+ +41) )606027275 56165( (5171) )70709797965538+8+532 2151573+15+1574( (98+ +4332) )72727272( (2131+ +41) )( (95+ +131) )9+9+1343030( (2131+ +61) )712( (67+ +314) )1875+5+511811237+7+235 5(16112)242445)(5747+ +47)4715 (23+ +15)113 (32(324117)17)125(252543)41412518169257169169(411

13、25)65313 321591251279565524532)7321495(63231643)3121(85(212173742121)41(9999109)9 95465851514 (5432)1110 (6554)30306556109594 411511781585881无414181547445215465525354 (8521)85 23523513513518183 35 5153153 0.60.65353(4 45 51 14 4) 7 73 37 710101010 7 7191912121919+ +1 1191925251 13 35 52 23 3101013.0

14、913.098.128.124.884.8812121031034500450075751 18 8 1 12 2( (3 35 510109 9)( (2 215153 31111) )1515111137.537.519.519.52.52.54 43 37125125738+ +5857815516+ +5271091818(49+ +56)无(9898) (3 34 43 34 42 25 5)1 15 55 5(101101)2 29 9 5 56 6(4 45 52 23 3) (102102)10105 56 65 56 61010(103103)3 34 46 65 59 94

15、 43 35 5(104104)7 71 16 6(0.350.352 21 16 6)(105105) (3 34 41 13 3)8 89 99 91010(106106)4 41 14 41 14 43 3(107107) 8 81515(7 712122 25 5) 15151414(108108)8.58.53 34 40.750.755 56.56.51 11 13 3(109109)1 10.540.540.90.90.750.75(110110)9 94 47 79 93 37 79 9(111111)2424 (5 56 61 13 3)33(112112)3 34 4(1

16、12 27 78 8)(113113) (7 79 91 16 6)2 24 4(114114)5 51111 (4 45 51 13 3)5 56 6 无(115115)4 415157 78 814145 5(116116) (5 59 91 16 6)5 51818(117117)33333838(1 14 47 71 16 6)(118118) (5 51 15 54 45 5)4 45555(119119) (1 11 15 51 13 3)15151616(120120)8 811119 94 43 311114 49 9(121121) (3 35 512122 24 47 71

17、 15 512121 14 47 7)5 51212(122122)4 411(191920201 12525) (123123)7 74 47 73.253.252 23 37 75.485.48(124124)64643 34 41 111111 1111134341 14 4(125125) (1 18 81 14 44 41 14 4)1 12 2(126126) (111111999999)5656(3 37 73 38 8) (127127) (1 15 51 18 8)1601601 11313(128128)1515(7 713132 25 5)无(129129)6.46.44

18、 45 51.251.253 33 35 5(130130)0.250.254 4(5 56 61 11212) 5 56 6(134134)7 7202011112525141425257 72020(135135)2 23 3(1 12 22 23 3)2 27 7(136136)3 31010(1 12 21 13 3)1 18 8(139139)7 75 5280280(7.287.286.726.72) (140140)15.615.63232(1 15 58 8)3.63.63 3、解方程、解方程。 (1616 分)分)3565112121243412154121278= =111

19、6(34+ +23)= =7245X5X3 3107= =575421X=X=1098x8x413 3445(x x6 6)652525X X2 27 7X X= =432 2X X + +2 25 5= =3 35 5X X53=20=2041X X83X X1211215 5X X3 32157532X X411212无6 6X X5 5 =13.4=13.4834143X3 3X X= =83X X72= =167X X87X X= =434 4X X6 632=2=212125 5X X= =3 3101053X X = =722598X X = =615116X X356= =452

20、625134 4x x3 3 9 9 = = 292921x x+ +61x x= = 4 4103X X212132=4=42041xx8)6 . 2(2x6 6X X5 5 =13.4=13.42 25 5X X- -1 13 3X X= =3 310104 46 638385 5X X= =1915218X X= =154X X54= =281532X X41=12=1253X X= =722598X X= =615116X X356= =45262513X X-0.25=-0.25=414+0.74+0.7X X=102=10232X X+ +21X X=42=42X X+ +41X

21、X=105=105无X X- -83X X=400=400X X-0.125-0.125X X=8=8X36= =43X X+ +3 37 7X X=18=18X X( (1 16 6+ +3 38 8)=)=13131212x x0.3750.375x x= =65x x32+ +21=4=483X X73X X12125 5 X X2.42.45 58 80.360.365-5-3 34 4x x = =3 35 52 23 3( (x x- - 4.5)4.5) = = 7 7x x- - 0.80.8x x = = 16+616+62020 x x 8.5=8.5= 1.51.5x x

22、- -4 45 5x x -4=-4= 2121X X3 37 7X X= =8 89 9x x- -52x x= =141453+ +41x x= =20177 7- -32= =2 2x x31X+X+5=5=21X X53X X+ +52= = 5 5x x - -85x x= =3145452131= =7 7493= =9243= =7632= =8312=12=12524=24=1072=2=121243= =1 173= =3294= =10953= =8 854= =8787= =4323= =413=3=3243= =5321= =151473= =24024043= =21

23、8167= =135135= =3112=12=4331= =15475= =9431= =1 174= =1193 3 = =(41+ +61)12=12=1 16565= =无85451=1=326161= =317331= =(5451) 81= =2 2、求比值、求比值1 1 :2132480.120.12 : : 0.30.33 3化成最简单的整数比。化成最简单的整数比。41: :655.65.6 : : 0.70.71515 : : 12124 4计算下面各题,能简算的用简便方法算。计算下面各题,能简算的用简便方法算。(1 1)1852424(2 2)2543215(3 3) (4

24、321)32(4 4)6592403(5 5) (41+ +75)2828(6 6)5343+ +5341(7 7)3 315854(8 8)871543021(9 9)67111+ +651111(1010) (4381)125(1111)133269(1212)3341211365(1313)98353489(1414) (81165)1275 5解方程。解方程。(1 1)54x= =103(2 2)61+ +3x= =31(3 3)21872x(4 4)6543x(5 5)x-50%-50%x=12=12(6 6)125%10 x()(7 7)95=240=240(8 8)32 824xx( )6.6.解比例解比例无(1 1)x6 6 = =7 78 81 14 4(2 2)1 16 62 25 5= =31x(3 3)3 34 4x= = 2 26 6(4 4)3 38 8x= = 5 50.10.1用简便方法计算用简便方法计算(1 1)11251125997997(2 2) 998+1246+9989998+1246+9989(3 3) (870087008708708787)8787(4 4)1251258.88.8(5 5)1.31.34.25

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