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1、1 计算题练习 1(1)0.8 331.25 (2)1718910171810(3)9.56 4.875781.44 (4)3461614(5)4.6 1388.48111385 (6)99.9 99999.9 (7)4123635(8)1835192022519201920(9)2225808131.25 (10)251.2548 (11)0.7 3.9 4.3 6.1 (12)7.35 997.35 (13)47817917(14)46101 2(15)15.6227457(16)720.25 (17)1421414334(18)3461131758(19)897158159889(20)
2、3597201136(21)76715815(22)457313127223(23)57432743(24)149755934(25)(3856712)24 (26)20532656 (27)0.4 2.5 0.0750 (28)1452(1416)3(29)4351141.75 0.4 (30)49625016 (31)10.2(1.25 2.5)1.5 (32)(1315)45 (33)216(34712)(34)0.3 1(3.3 2.95)(35)4949854985 (36)(5613)(5814)(37)(2314)5645 511(38)(2517)3519(39)24(1416
3、13)(40)3.74 4.8 6.2 3.74 3.74(41)8978(71618)(42)23752.5 42480 4(43)8.6 4.3 25(44)67(5120.25)58(45)3.6(4.7 2.3)37 1.2 (46)1.4 0.6 86(47)17.1 8.8 1.2 (48)3.6 25 (49)51817429(50)581110381011(51)920 12(2545)(52)60(51241512)(53)17504501832 (54)0.8 1(3.2 2.95)(55)(81592023)112(56)10952635 5(57)2.5 3.7 0.4
4、 (58)12(1314)(59)(91045)34(60)101.1 25.93 5.1 0.85(61)(5814)(89113)(62)2.6 1323523(63)311767(64)1.9 19.9 199.9 1999.9 0.4(65)25374752(66)125(1614)1113(67)1423(45815)(68)1451.25 1142.2 114(69)13588131.25 (70)4454456(71)58(1514)38 (72)4.8 1.2 3.5 1.4 (73)1.8 0.25 8.2 4 (74)5723141519(75)(1051216)13(76
5、)168.1(4.3 20.4)(77)4934(71614)(78)25.125 13517.4 (79)0.38 7195041950(80)7.83(1.26 2.17)0.24(81)6111712311(82)1812(35109)(83)12.7(6.48 2.4 3.9)(84)2919929 (85)53.9(2.18 23.9)7(86)(5738)156(87)(20.1 2167)5.1 (88)7.6 5.4 1.9 5.4 (89)0.2 56(0.15 920(90)2423(518)(91)7.2 9.9 (92)15581423(93)405735.75 4.2
6、5 (94)164450.75 390.75 (95)154218716 (96)3.64 1(21102.09)(97)(1315415)45 (98)(343425)155 (99)22203723 8(100)6.2 4.5 3.8 (101)29 56(4523)(102)10565610 (103)34659435(104)716(0.35216)(105)(3413)89910(106)414143 (107)815(71225)1514(108)8.5 340.7556.5 113(109)10.540.9 0.75 (110)9479379 (111)24(5613)3 (11
7、2)34(1278)(113)(7916)249(114)511(4513)56 (115)41578145(116)(5916)518(117)3338(14716)(118)(51545)455(119)(11513)1516(120)8119431149(121)(35122471512147)512(122)41(1920125)(123)7473.25 2375.48 (124)64341111113414(125)(1814414)12(126)(111999)56(3738)(127)(1518)16011310(128)15(71325)(129)6.4 451.25 335(
8、130)0.25 4(56112)56(131)16.57.2557(12.518)1519(132)91431679208 (133)2.37 1.75 1.63 1.25(134)72011251425720(135)23(1223)27(136)310(1213)18(137)(32.5 74.4 1.2)0.01(138)197127.5 (139)75280(7.286.72)(140)15.6 32(158)3.6 (141)12(2425925)12.5 11(142)16554501814 (1)1635285(2)51163329(3)411312213(4)13521710
9、13511(5)35161835162117915(6)12519322(7)433712217(8)834332.1(9)125.025.032.0(10)2.7325x(11)1211625.6x12(12)126513543(13)101512110(14)613122.065(15)431872395(16)1.231525.2(17)5351431.1152(18)1456.0531495(19)741741741741202111227713317713(21)74232147333215742313022)31165231165213(23)15148.255138.12(24)641321161814121(25)4213012011216121