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1、本文档下载后根据实际情况可编辑修改使用小数混合运算专项练习276 题( 能简便的要简便运算 )(1)0.111.8+8.2 0.11 (2)2.3499+2.34 (3)5.4 2.7 0.8(4)132101(5)6.251.250.8(6)2.5 16(7)6.331016.33(8)1.561.7+0.44 1.7(9)1.8 (3.412.9 ) 0.03(10)0.125322.5 (11)1.25818.50.25818.5(12)8.480.8 0.9(13)1.252.4(14)5.85 (1.3+0.5 )6(15)17.176.8 3.2 6.17(16)5.4 (1.3+
2、2.15 )0.2(17)8.4 0.6+8.4 0.4(18)16.810.1(19)10.90.9 0.2+1.8(20)1.253.2 0.25 (21)1.36+4.85+2.64+6.15 (22)98.52.5 4 (23)5.4 2.5 (3.7 2.9 ) (24)0.8 (43.68) 0.01 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 1 页,共 11 页小数混合运算 -2(25)83.712.830.17(26)5.96+13 (3.2 3.12)(27)4.322.4 1.7 ;(28)16.24.5+3.8 4.5
3、;(29)9.053.863.14;(30)7.28+0.72 0.9(31)4.32+5.43+6.68(32)17.176.83.2(33)5.299+5.29(34)16.810.1(35)2.749.5+50.274(36)0.36+9.63.2(37)3.7525+6.2525(38)25.468.231.76(39)2.9+7.110(40)1.25320.25(41)15.68( 7.784.32) 2.32(42)0.253.21.25(43)9.991.01(44)4.631.4+46.30.86(45)17.50.812.5(46)0.9+9.9+99.9+999.9 (4
4、7)2.999+2.9(48)2511.24(49)23.256.753.25(50)1253.22.5精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 2 页,共 11 页小数混合运算 -3(51)3.6 10.1(52)5.8 2.7+0.5873(53)3.6+6.41.8(54)(1.48+3.02)(3.60.5)(55)(36.74.9)10131.8?(56)6.331016.33(57)35.651.73(58)1.6 55.455.40.6(59)17.685.2+2.71.5(60)1.080.8 0.27(61)1020.45(
5、62)22.781.250.8(63)0.341010.34(64)0.125322.5(65)0.86.30.83.8(66)5043.22.08(67)(200.89) 5.7(68)2.41.5+3.61.5(69)7.385.14+3.622.86(70)0.121.8+8.2 0.12(71)5.40.51(1.2 1.03)(72)(8.15.6)0.91.050.04(73)10.80.8(0.35+0.05)(74)81(2.32.25)(75)2.649.9+0.264(76)4.52+0.61+1.39+6.48 精选学习资料 - - - - - - - - - 名师归纳总
6、结 - - - - - - -第 3 页,共 11 页小数混合运算 -4(77)4.27(1.961.73)(78)(294.419.26) ( 6+8)(79)12.50.760.4 82.5(80)4.98+8.022.5(81)60.840.82.5(82)0.8 69.612.5(83)4.9899+4.9(84)6.483.22.5(85)1.2 7.6+7.66.8(86)(9.45.8)2.07(87)12.544.563.441.54(88)(9.365+9.36+9.362)1.25(89)7.2360.1814.30.02(90)9.60.40.25(91)29.7(5.8
7、50.65)(92)7.49.9(93)3.842.70.64(94)8.688.680.560.5(95)4.74.7+4.7+4.34.7?(96)2.72 (8.2 6.5 ) 0.5 ;(97)9.12+9.12 960.2;(98)28.40.4 0.25 ;(99)27.3627.367.6 (100) 3.250.45+6.750.45(101) 31.524.53.5(102) 7.5102精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 4 页,共 11 页小数混合运算 -5(103) 6.3+3.72.8(104) 2.15+8.
8、73+1.27+7.85(105) 11.87( 8.2+1.87)(106) 5.423.871.13(107) 4.381.56+0.620.44(108) 0.4 2702(109) (40+1.25)8(110) (12.50.05) 8 (111) 2.6 8.5+8.57.4(112) 9.9 6.96.93.9(113) 5.6 99+5.6(114) 2.5 (1.9+1.9+1.9+1.9)(115) 7.2 1.258(116) 52.4( 15+0.6) 1.6(117) 9.8799+9.87(118) 46.80.90.4(119) 5.517.3+6.7 5.5(1
9、20) 994.2+4.2(121) 0.251.253.2(122) 6.414+156.4+6.4(123) (1.3+1.3 0.1258)(8077.4)(124) 4(25+2.5+0.25) 111(125) 6.25( 17.23.64.5) 0.32(126) 28.499+28.4 (127) 0.942.50.45(128) 40.812.52.5精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 5 页,共 11 页小数混合运算 -6(129) 17.50.2517+13(130) 10.187(131) 2.3+3.19(221
10、9.8)(132) 1.257.2?(133) 9.1 1.266.24(134) 7.3+12.83.82.3(135) (5.36+7.64)13100(136) 7.575(5.631.88)0.2(137) 7.5( 5.5+1.24)(138) 0.26+15.68+9.74+2.32(139) 13.26+9.553.26(140) 6.1+3.96.1+3.9(141) 31.70.63 (保留 2 位小数)(142) 2.4 1.5+3.6 1.5(143) 0.320.25+0.08 4 (144) (9.6+1.48 3.7 )8(145) 5.8 4 (1.340.14)
11、 (146) 5.4 0.51 (1.2 1.03) (147)21.353.2516.75(148)33.02(148.490.85) 2.5(149)322.5 0.125 (150)18.1+ (30.2990.23) 1(151)67( 2.98+0.67 )(152)81673.86(153)(45+14)73+710(154)13.70.1258精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 6 页,共 11 页小数混合运算 -7(155)0.8 13 ( 3.12+5.28 )(156)1020.56(157)1.531.7+0.47
12、 1.7 (158)5.18+0.73+0.82(159)0.751.8 1.5(160)12.57.1 0.8(161)6.1299+6.12(162)8.6 0.86+80.35(163)5.6 (18.58.5 0.5 )?(164)0.1254.7880(165)2.8 3.6+1.4 2.8(166)(0.4+40 )2.5(167)78.717.73.6(168)180.3 (86.5 ) (169)12.7+12.5+0.5(170)912.6 0.05=(171)6.3 3.7+6.3 6.3=(172)(3.7+1.7 0.4 )2.5=(173)7.28+3.2 2.5=(
13、174)0.74+0.9 7.4=(175)7.8 0.1250.8=(176)37.50.3 (1.340.84) (177)(2.5+27.75 1.5 )1.6 (178)6.213.8+2.2(179)6.03+3.7+2.97(180)17.436.572.43精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 7 页,共 11 页小数混合运算 -8(181)20.47( 1.47+6.8)(182)13.26+4.71+3.47+5.29(183)22.74+8.6813.74(184)100.22.5(185)644.5+3.645(18
14、6)1.253.20.8(187)14.5102(188)14.64+3.72.8(189)8.4 0.210.5(190)0.125980.3(191)4.6250.66(192)5.782.3+5.78+5.786.7(193)7.7520 (3.243.04)(194)1.250.580.2(195)0.979+0.97(196)5.43 3.82.9(197)0.4 (3.2 0.8 ) 0.15 (198)5.7+1.9 0.2 7.6(199)32.46.3+32.4 3.7 (200)18.210.6(0.9 0.75)(201)0.253.8540 (202)1.463.5+3
15、.5 4.54 (203)712.5 0.8(204)4.73.6+4.76.4(205)1.45(2.8+4.4)2.4精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 8 页,共 11 页小数混合运算 -9(206)4.2 (6.183.03) +6.3 (207)15.026.8 ( 1.02+1.2 )(208)0.6 (50.68) 1.2(209)2.7 4+6.30.25(210)(6.02+2.8 )0.4 2.05(211)3.083.5+6.2 3.08+3.08 0.3(212)2.3+3.91(2219.7)(213)21.6
16、64.8( 48.62.7 2)(214)93.63.6+1.4 3.6 (215)0.250.8 0.1250.4 (216)2.7 1.5 2.7(217)9.08+5.45+11.92+4.55 (218)1.25301.2 0.8 (219)0.6+0.940.208(220)4.851.258(221)(6422.41.4)1.2(222)18.36.253.75(223)2.83.6+1.42.8(224)6.6 14.5( 1.7+1.8) (225)0.259.874 (226)36.72.1+10.8 (227)8.450.450.1(228)0.73102 (229) 7.
17、8 5.6+2.3 4.4 (230)76.32776.317(231)7.0523.7+7.05 76.3 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 9 页,共 11 页小数混合运算 -10(232) (7.6 5.2 ) 0.4+2.54 32 (233)17.685.2+2.71.5(234)35.651.73(235)(1.10.78)(2.71.95)(236)1.3 0.754(237)1.081.8 1.2(238)50.41.9 1.8(239)0.820.25+1.18 0.25 (240)8.5 (2.36+2.42)0.
18、25(241)3.9 (1.3+0.6)63.6(242)4.256.3+3.74.25(243)2050.99(244)25.67.492.51(245)2.5( 6.84.9)0.8(246)1024.5(247)3.4(1.2+0.5)5(248)8(201.25)(249)0.654+10.96.5(250)22.71.250.8(251)3.912.8+6.092.8?(252)6.23+3.09=(253)132.459.8=(254)6.620.84=(255)2.070.023=(256)20.026 ( 8.6+9.7 )0.92 30.19 (257)0.125322.5精
19、选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 10 页,共 11 页小数混合运算 -11(258)0.8 6.30.83.8 (259)50.43.22.08(260)204(3.4 0.5)(261)(43.26+2.34) 7.5(262)(200.89)5.7(263)13.250.8+1.75 1.2 ;(264)2.5 99+2.5 ;(265)10.36+4.8 16.55;(266)12.52.4 (267)38.7819.59+41.22 30.41(268)2.744.86+4.86 6.26+4.86(269)0.08 (12.5+2.5 )0.1 (270)25.92+ (10.114.50.2 )(271)0.48712.548.7 (272)(8.16+2.09 ) (10.39.3 ) 0.4 (273)1.561.7+0.441.7(274)12.5(7.21.9)0.8(275)0.252010+20.10 75(276)30.8(6.344.59)4精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 11 页,共 11 页