小数四则混合运算专项练习题（能简便的要简便）.docx

小数混合运算专项练习276题（能简便的要简便运算）(1)0.11X1.8+8.2X0.11(13)1.25X2.4(2)2.34X99+2.34(14)5.85÷1.3+0.5×6.(3)5.4÷2.7×0.8(15)17.17-6.8-3.2-6.17(4)132X101(16)5.4×1,3+2.15÷0.2(5)6.25÷1.25÷0.8(17)8.4÷0.6+8.4÷0.4(6)2.5X16.(18)16.8X10.1(7)6.33X101-6.33(19)10.9-0.9÷0,2+1.8(8)1.56X1.7+0.44X1.7(20)1.25X3.2X0.25.(9)1.8×3.41-2.9÷0.03(21)1.36+4.85+2.64+6.15(10)0.125X32X2.5.(22)98.5÷2.5÷4（三）1.258X18.5-0.258X18.5(23)5.4÷2.5×(3.7-2.9(12)8.48÷0.8X0.9(24)0.8×4一3.68÷0.01(25)83.7-12.83-0.17(38)25.46-8.23-1.76(26)5.96+13×3.2-3.12(39)2.9+7.1×10(27)4.32÷2.4X1.7;(40)1.25X32X0.25.(28)16.2×4.5+3.8×4.5;(41)15.68-7.78-4.32-2.32(29)9.05-3.86-3.14;(42)0.25X3.2X1.25(30)7.28+0.72÷0.9(43)9.99×1.01(31)4.32+5.43+6.68(44)4.63×1.4+46.3×0.86(32)17.17-6.8-3.2(45)17.5÷0.8÷12,5(33)5.29X9+5.29(46)0.9+9.9+99.9+999.9.(34)16.8×10.1(47)2.9×99+2.9(35)2.74X9.5+5X0.274(48)25×11.2×4(36)0.36+9.6÷3.2.(49)23.25-6.75-3.25.(37)3.75×25+6.25×25(50)125X3.2X2.5(51)3.6 × 10.1(64)0.125X32X2.5(52)5.8×2.7+0.58×73(65)0.8×6.3-0.8×3.8(53)3.6+6.4×1.8(66)504÷3.2X2.08(54)1.48+3.02÷3.6×0.5(67)20-0.8×9×5.7(55)36.7-4.9XlOl-31.8.(68)2.4X1.5+3.6÷1.5(56)6.33XlOl-6.33(69)7.38-5.14+3.62-2.86(57)35.6-5×1.73(70)0.12×1.8+8.2×0.12(58)1.6×55.4-55.4×0.6(71)5.4÷0.51÷1.2-1.03(59)17.68÷5.2+2.7×1.5.(72)8.1-5.61×0.9-1.05÷0.04.(60)1.08×0.8÷0.27(73)10.8-0.8÷C0.35+0.05(61)102×0.45(74)8×1÷2.3-2.25(62)22.78÷1.25÷0.8(75)2.64×9.9+0.264(63)0.34XlOl-0.34.(76)4.52+0.61+1.39+6.48(77)4.27-1.96-1.73(90)9.6÷0.4X0.25(78)294.4-19.2×6)÷6+8(91)29.7÷(5.85÷0.65)(79)12.5X0.76X0.4X8X2.5.(92)7.4×9.9(80)4.98+8.02×2.5(93)3.84-2.7X0.64(81)60.8-40.8÷2.5(94)8.68-8.68÷0.56×0.5(82)0.8X69.6X12.5(95)4.7×4.7+4.7+4.3×4.7.(83)4.98×99+4.9(96)2.72÷8.2-6.51×0.5;(84)6.48÷3.2÷2.5(97)9.12+9.12×9-60.2;(85)1.2×7.6+7.6×6.8.(98)28.4÷0.4÷0.25；(86)9.4-5.8×2.07(99)27.36-27.36÷7.6.(87)12.54-4.56-3.44-1.54(100)3.25X0.45+6.75X0.45(88)9.36X5+9.36+9.36X2×1.25(Wl)31.5-24.5÷3.5(89)7.236÷0.18-14.3×0.02.(102)7.5×102(103)6.3+3.7×2.8.(116)52.4-15+0.6÷1.6(104)2.15+8.73+1.27+7.85(117)9.87×99+9.87(105)11.87-8.2+1.87(118)46.8÷0.9÷0.4(106)5.42-3.87-1.13(119)5.5×17.3+6.7×5.5.(107)4.38-1.56+0.62-0.44(120)99X4.2+4.2(108)0.4×270×2.(121)0.25X1.25X3.2(109)40+1.25×8(122)6.4×14+15×6.4+6.4(HO)12.5-0.05×8(123)1.3+1.3X0.125X8÷80-77.4(111)2.6×8.5+8.5×7.4(124)4×C25+2.5+0.25÷111(112)9.9×6.9-6.9×3.9(125)6.25÷(17.2-3.6X4.5)÷0.32(113)5.6×99+5.6(126)28.4×99+28.4(114)2.5×(1.9+1.9+1.9+1.9)(127)0.94X2.5-0.45(115)7.2÷125÷8.(128)4X0.8X12.5×2.5(130)10.1X87(143)0.32X0.25+0.08÷4(131)23+3.19÷(22-19.8)(144)9.6+1.48÷3.7)÷8(132)1.25X7.2.(145)5.8÷4×1.34-0.14(133)9.1-l,2÷6-6.24(146)5.4÷0.51÷1.2-1.03.(134)7.3+12.8-3.8X2.3(147)21.35-3.25-16.75(135)5.36+7.64÷13×100(148)33.02-148.4-90.85÷2.5(136)7.575÷5.631.88X0.2,(149)32×2.5X0.125(137)7.5-(5.5+1.24)(150)18.1+3-0.299÷0.23XI.(138)0.26+15.68+9.74+2.32(151)67-(2.98+0.67)(139)13.26+9.55-3.26(152)8×16-73.8×6(140)6.1+3.9-6.1+3.9.(153)45+14÷73+710.(154)13.7X0.125X8(141)31.7÷0.63保存2位小数(155)0.8×13-3.12+5.28(168)18÷0.3×8-6.5(156)102×0.56(169)12.7+12.5+0.5.(157)1.53×1.7+0.47×1.7.(170)91÷2.6÷0.05=(158)5.18+0.73+0.82(171)6.3×3.7+6.3X6.3=(159)0.75×1.8÷1.5(172)3.7+1.7×0.4÷2.5=(160)12.5X7.1X0.8(173)7.28+3.2÷2.5=(161)6.12×99+6.12(174)0.74+0.9×7.4=(162)8.6÷0.86+8×0.35(175)7.8÷0.125÷0.8=(163)5.6×(18.5-8.5÷0.5(176)37.5÷0.3×1.34-0.84(164)0.125×4.78×80(177)(2.5+27.75÷1.5)×1.6.(165)2.8X3.6+1.4X2.8(178)6.21-3.8+2.2(166)0.4+40×2.5(179)6.03+3.7+2.97(167)78.7-17.7×3.6(180)17.43-6.57-2.43(181)20.47-1.47+6.8(194)1.25X0.5X8X0.2(182)13.26+4.71+3.47+5.29(195)0.97×9+0.97(183)22.74+8.68-13.74.(196)5.4÷3×(3.8-2.9).(184)10÷0.2÷2.5(197)0.4×3.2-0.8÷0.15(185)64×4.5+3.6×45(198)5.7+1.9×0.2÷7.6(186)1.25×3.2×0.8(199)32.4X6.3+32.4X3.7(187)14.5×102(200)18.2-10.6×0.9-0.75(188)14.64+3.7×2.8(201)0.25×3.85×40(189)8.4÷0.21÷0.5.(202)1.46×3.5+3.5×4.54.(190)0.125×9×8×0.3(203)7×12.5×0.8(191)4.62÷5÷0.66(204)4.7×3.6+4.7×6.4(192)5.78×2.3+5.78+5.78X6.7(205)1.45×C2.8+4.4÷2.4.(193)7.75×20÷3.24-3.04.(206)4.2×6.18-3.03+6.3(207)15.02-6.8-1.02+1.2(220)4.85×1.25X8(208)0.6×5-0.68÷1.2(221)64-22.4÷1.4×1,2(209)2.7÷4+6.3X0.25(222)18.3-6.25-3.75(210)6.02+2.8÷0.4-2.05(223)2.8×3.6+1.4×2.8(211)3.08×3.5+6.2X3.08+3.08×0.3.(224)6.6÷C14.5-(1.7+1.8)(212)2.3+3.91÷22-19.7(225)0.25X9.87X4(213)21.6÷64.8-48.6-2.7X2.(226)36.7X2.1+10.8(214)93.6×3.6+1.4×3.6(227)8.45-0.45×0.1(215)0.25×0.8X0.125×0.4(228)0.73×102(216)2.7×1.5-2.7(229)7.8×5.6+2.3×4.4(217)9.08+5.45+11.92+4.55(230)763×27-76.3×17.(218)1.25×30×l,2×0.8.(231)7.05×23.7÷7.05×76.3.(219)0.6+0.94-0.208(232)7.6-5.2÷0.4+2,54×32(233)17.68÷5.2+2.7×1.5(246)102X4.5(234)35.6-5×1.73(247)3.4÷1.2+0.5×5(235)1.1-0.78)×(2.7-1.95)(248)8×20-1.25(236)1.3×0.75×4(249)0.654+10.9×6.5(237)1.08÷1.8×1.2(250)22.7X1.25X0.8(238)50.4×1.9-1.8(251)3.91X2.8+6.09X2.8.(239)0.82×0.25+1.18×0.25.(252)6.23+3.09=(240)8.5×2.36+2.42÷0.25(253)132.4-59.8=(241)3.9÷1.3+0.6×6-3.6(254)6.62X0.84二(242)4.25×6.3+3.7×4.25(255)2.07÷0.023=(243)205×0.99(256)20.026-(8.6+9.7×0.92÷30.19(244)25.6-7.49-2.51(257)0.125X32X2.5(245)2.5-6.8-4.91×0.8.(258)0.8X6.3-0.8X3.8(259)50.4÷3.2X2.08(268)2.74×4.86+4.86X6.26+4.86(260)204÷34X0.5(269)0.08×12.5+2.5×0.1(261)43.26+2.34÷7.5(270)25.92+10.1-14.5X0.2(262)20-0.8×9)×5.7.(271)0.487×12.5÷48.7(263)13.25-0.8+1.75-1.2;(272)8.16+2.09÷10.3-9.3÷0.4(264)2.5X99+2.5;(273)1.56×1.7+0.44×1.7(265)10.36+4.8-16.5÷5;(274)12.5×(7.2-1.91×0.8(266)12.5X2.4.(275)0.25×2010+20.10×75(267)38.78-19.59+41.22-30.41(276)30.8÷6.34-4.59×4.