计算题答案.doc

五年级8班 计算题(1)0.46300=138(2)2.056=12.3(3)2.312=27.6(4)12.47=86.8(5)0.867=6.02(6)3.316=52.8(7)12.842=537.6(8)0.1940=7.6(9)0.3215=4.8(10)6.70.3=2.01(11)2.46.2=14.88(12)5.41.07=5.778(13)0.450.6=0.27(14)0.560.04=0.0224(15)3.74.6=17.02(16)0.481.5=0.72(17)0.290.07=0.0203(18)0.050.15=0.0075(19)2.41.1=2.64(20)2.41.5=3.6(21)1.20.4=0.48(22)0.111.2=0.132(23)0.351.2=0.42(24)3.22.5=8(25)1.20.9=1.08(26)561.3=72.8(27)2.61.08=2.808(28)1.823=41.4(29)70.86=6.02(30)0.370.4=0.148(31)0.60.39=0.234(32)1.0625=26.5(33)270.43=11.61(34)0.080.14=0.0112(35)0.0550.06=0.0033(36)0.392.9=1.131(37)0.188.45=1.521(38)0.580.08=0.0464(39)4.50.002=0.009(40)3.7200=740(41)0.0720.15=0.0108(42)1.70.45=0.765(43)6.510（口算）=65(44)3.78100（口算）=378(45)8210（口算）=8.2(46)560100（口算）=5.6(47)40801000（口算）=4.08(48)3.0636=110.16(49)15.615=234(50)0.822=1.64(51)3.27=22.4(52)2.0730=62.1(53)3.9542=165.9(54)0.1025（口算）=2.5(55)2.760=162(56)0.768.9=6.764(57)2.025.5=11.11(58)0.380.25=0.095(59)0.723.5=2.52(60)8.642.8=24.192(61)0.560.14=0.0784(62)0.768.9=6.764(63)3.140.08=0.2512(64)1.52.8=4.2(65)0.322.05=0.656(66)7.380.25=1.845(67)0.480.3=0.144(68)0.120.24=0.0288(69)0.454.8=2.16(70)48.70.06=2.922(71)0.981.02=0.9996(72)0.763.2=2.432(73)1.020.76=0.7752(74)0.0333=0.099(75)0.561.07=0.5992(76)7.54.3=32.25(77)2.46.7=16.08(78)3.50.59=2.065(79)14.20.27=3.834(80)0.364.4=1.584(81)12.53.40.8=12.50.83.4=103.4=34(82)4.362.5+5.642.5=2.5(4.36+5.64)=2.510=25(83)6.52.4+7.66.5=6.5(2.4+7.6)=6.510=65(84)370.128=4.448=35.52(85)0.4632.5=0.42.563=163=63(86)3.549.9+3.540.1=3.54(9.9+0.1)=3.5410=35.4(87)0.7210.1=0.72(10+0.1)=0.7210+0.720.1=7.2+0.072=7.272(88)1.25(8+0.8)=1.258+1.250.8=10+1=11(89)3.6+2.40.06=3.6+0.144=3.744(90)3.7299+3.72=3.72（99+1）=3.72100=372(91)9.989.9=9.98（10-0.1）=9.9810-9.980.1=99.8-0.998=98.802(92)1.250.90.8=1.250.80.9=10.9=0.9(93)4(6.32.5)=42.56.3=106.3=63(94)6.40.2512.5=80.80.2512.5=（80.25）（0.812.5）=21=2(95)2.516.7-2.50.7=2.5（16.7-0.7）=2.516=2.544=104=40(96)2.90.45+0.294.2+0.02913=2.90.45+2.90.42+2.90.13=2.9(0.45+0.42+0.13)=2.91=2.9(97)4311.8+5.7118=4311.8+5711.811.8(43+57)=11.8100=1180(98)0.361.5-0.45=0.54-0.45=0.09(99)0.380.23+0.620.23=0.23(0.38+0.62)=0.231=0.23(100)0.89.581.25=0.81.259.58=19.58=9.58(101)5.45+0.654.7=5.45+3.055=8.505(102)2510.7-250.725(10.7-0.7)=2510=250(103)6.499=6.4（100-1）=6.4100-6.41=640-6.4=633.6(104)0.65202=0.65（200+2）=0.65200+0.652=130+1.3=131.3(105)0.254.784=0.2544.78=14.78=4.78(106)2.5(0.770.4)=2.50.40.77=10.77=0.77(107)7.28.4+2.88.4=8.4（7.2+2.8）=8.410=84(108)0.0340.50.6=0.034（0.50.6）=0.0340.3=0.0102(109)1010.45=（100+1）0.45=1000.45+10.45=45+0.45=45.45(110)2.7399=2.73（100-1）=2.73100-2.731=273-2.73=270.27(111)4.7599+4.75=4.75（99+1）=4.75100=475(112)4.80.25=41.20.25=40.251.2=11.2=1.2(113)1.5105=1.5（100+5）=1.5100+1.55=150+7.5=157.5(114)0.7898=0.78（100-2）=0.78100-0.782=78-1.56=76.44(115)0.52.338=0.582.33=42.33=9.32(116)1.22.5+0.82.5=2.5（1.2+0.8）=2.52=5(117)2.028.5=（2+0.02）8.5=28.5+0.028.5=17+0.17=17.17(118)561.25=781.25=7（81.25）=710=70(119)1.67.51.25=20.87.51.25=（27.5）（0.81.25）=151=15(120)0.80.250.412.5=（0.812.5）（0.250.4）=100.1=1(121)2.9640=（3-0.04）40=340-0.0440=120-1.6=118.4(122)9.825=（10-0.2）25=1025-0.225=250-5=245(123)978.5=（100-3）8.5=1008.5-38.5=850-25.5=824.5(124)0.65202=0.65（200+2）=0.65200+0.652=130+1.3=131.3(125)4.545.58=185.58=998=792(126)4.3898=4.38（100-2）=4.38100-4.382=438-8.76=429.24(127)1.258.8=1.25（8+0.8）=1.258+1.250.8=10+1=11(128)1.2582.54=(1.258)(2.54)=1010=100(129)50.41.9-1.8=95.76-1.8=93.96(130)3.760.25+25.8=0.94+25.8=26.74(131)3.5+6.58.3=3.5+53.95=57.45(132)2.5+7.555=2.5+412.5=415(133)10.3-0.38.6=10.3-2.58=7.72(134)5.919.8-9.8=116.82-9.8=107.02(135)3.514.6-4.65=51.1-23=28.1(136)3.21.252.540.81.252.5=（42.5）（1.250.8）=101=10(137)1.2564=1.2588=108=80(138)0.3799+0.37=0.37（99+1）=0.37100=37(139)0.289=2.52(140)2.423=55.2(141)31.618=568.8(142)0.4780=37.6(143)4.60.8=3.68(144)3.22.6=8.32(145)2.71.05=2.835(146)0.250.8=0.2(147)2.619=49.4(148)5.20.48=2.496(149)2.85.9=16.52(150)3.40.65=2.21(151)5.43.8=20.52(152)0.362.5=0.9(153)0.420.04=0.0168(154)0.0850.24=0.0204(155)0.4356=24.08(156)0.0580.25=0.0145(157)540.035=1.89(158)7.60.008=0.0608(159)15.86=94.8(160)3.68.5=30.6(161)18.40.36=6.624(162)1.250.024=0.03（163）3.633=1.21（164）25.64=6.4（165）93.7575=1.25（166）0.393=0.13（167）8.55=1.7（168）5.163=1.72（169）21.69=2.4（170）85.137=2.3（171）52.525=2.1（172）33.63=11.2（173）9.87=1.4（174）20.424=0.85（175）0.328=0.04（176）0.8421=0.04（177）9615=6.4（178）12.9612=1.08（179）4.3216=0.27（180）0.728=0.09（181）1.5334=0.045（182）0.7812=0.065（183）2.428=0.0857142857142（184）6025=2.4（185）10.8817=0.64（186）24.9612=2.08（187）2415=1.6（188）1.2612=0.105（189）1.3515=0.09（190）96.623=4.2（191）23.759.5=2.5（192）5.583.1=1.8（193）49.40.26=190（194）0.560.25=2.24（195）0.9285.8=0.16（196）10.16=6.25（197）3.62.4=1.5（198）1580.5=316（199）15850=3.16（200）1.580.05=31.6（201）15.612=1.3（202）46.80.45=104（203）3.525.5=0.64（204）213.5=6（205）32816=20.5（206）1.3527=0.05（207）0.64619=0.034（208）319.465=63.892（209）0.030.8=0.0375（210）2.23=0.73333（211）5.311=0.4818181（212）0.563.6=0.1555（213）3.766=0.05606060（214）0.340=0.0075（215）7215=4.8（216）14.217=2.03（217）25.56=4.25（218）7.839=0.87（219）0.546=0.09（220）6.314=0.45（221）8616=5.375（222）1.2628=0.045（223）0.41632=0.013（224）6.64=1.65（225）37.56=6.25（226）43.529=1.5（227）28.611=2.6（228）18.927=0.7（229）20.424=0.85（230）1.3515=0.09（231）3.6452=0.07（232）2415=1.6（233）1.2618=0.07（234）5.046=0.84（235）76.545=1.7（236）4536=1.25（237）0.8428=0.03（238）150500=0.3（239）7.650.85=9（240）62.42.6=24（241）2.380.34=7（242）0.5440.16=3.4（243）12.60.28=45（244）2.190.3=7.3（245）51.30.27=190（246）5.583.1=1.8（247）25.60.032=800（248）0.843.5=0.24（249）5.880.56=10.5（250）7.050.47=15（251）2.60.13=20（252）1640=0.4（253）1520=0.75（254）1.441.8=0.8（255）11.72.6=4.5（256）4.483.2=1.4（257）5.980.23=26（258）211.4=15（259）19.765.2=3.8（260）8.841.7=5.2（261）10.84.5=2.4（262）6.210.03=207（263）2.77.5=0.36（264）150.06=250（265）4.681.2=3.9（266）5.20.32=16.25（267）8.160.34=24（268）1610.46=350（269）61.5=4（270）49.50.=11045（271）2.291.1=2.0818181（272）1537.2=21.25（273）233.3=6.969696（274）5.79=0.6333（275）58=0.625（276）6.643.3=2.0121212（277）9.46=1.5666（278）40.3224=1.68（279）6.920.84=5.8128（280）1110.3=370（281）2.86.25=17.5（282）2.070.023=90（283）1.230.03=41（284）4228=1.5（285）2.53.6=9（286）7.21.6+0.8=4.5+0.8=5.3（287）（16.8+1.47）0.7=18.270.7=26.1（288）19.83.3=6（289）180.45=8.1（290）0.75180.15=13.50.15=90（291）21.360.8-12.9=26.7-12.9=13.8（292）2.070.230.45=90.45=20（293）7.28+3.22.5=7.28+1.28=8.56（294）1.080.80.27=0.8640.27=3.2（295）2.050.82+33.6=2.5+33.6=36.1（296）44.280.94.1=49.24.1=12（297）9.07-22.783.4=9.07