小数四则混合运算专项练习题(能简便的要简便)

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(1)0.11×1.8+8.2×0.11

(2) 2.34×99+2.34

(3) 5.4÷2.7×0.8

(4)132×101

(5) 6.25÷1.25÷0.8

(6) 2.5×16.

(7) 6.33×101﹣6.33 (8) 1.56×1.7+0.44×1.7

(9) 1.8×[(3.41﹣2.9)÷0.03] (10)0.125×32×2.5.

(11) 1.258×18.5﹣0.258×18.5

(12)8.48÷0.8×0.9 (13) 1.25×2.4

(14) 5.85÷(1.3+0.5)×6.

(15)17.17﹣6.8﹣3.2﹣6.17

(16) 5.4×[(1.3+2.15)÷0.2] (17)8.4÷0.6+8.4÷0.4

(18)16.8×10.1

(19)10.9﹣0.9÷0.2+1.8

(20) 1.25×3.2×0.25.

(21) 1.36+4.85+2.64+6.15 (22)98.5÷2.5÷4 (23) 5.4÷[2.5×(3.7﹣2.9)] (24)0.8×(4﹣3.68)÷0.01

(25)83.7﹣12.83﹣0.17 (26) 5.96+13×(3.2﹣3.12)(27) 4.32÷2.4×1.7;

(28)16.2×4.5+3.8×4.5;(29)9.05﹣3.86﹣3.14;

(30)7.28+0.72÷0.9

(31) 4.32+5.43+6.68

(32)17.17﹣6.8﹣3.2

(33) 5.29×9+5.29

(34)16.8×10.1

(35) 2.74×9.5+5×0.274

(36)0.36+9.6÷3.2.

(37) 3.75×25+6.25×25 (38)25.46﹣8.23﹣1.76

(39) 2.9+7.1×10

(40) 1.25×32×0.25.

(41)15.68﹣(7.78﹣4.32)﹣2.32 (42)0.25×3.2×1.25

(43)9.99×1.01

(44) 4.63×1.4+46.3×0.86

(45)17.5÷0.8÷12.5

(46)0.9+9.9+99.9+999.9.

(47) 2.9×99+2.9

(48)25×11.2×4

(49)23.25﹣6.75﹣3.25.

(50)125×3.2×2.5

(51) 3.6×10.1

(52) 5.8×2.7+0.58×73

(53) 3.6+6.4×1.8

(54)(1.48+3.02)÷(3.6×0.5)(55)(36.7﹣4.9)×101﹣31.8.(56) 6.33×101﹣6.33

(57)35.6﹣5×1.73

(58) 1.6×55.4﹣55.4×0.6 (59)17.68÷5.2+2.7×1.5.(60) 1.08×0.8÷0.27

(61)102×0.45

(62)22.78÷1.25÷0.8

(63)0.34×101﹣0.34.(64)0.125×32×2.5

(65)0.8×6.3﹣0.8×3.8

(66)504÷3.2×2.08

(67)(20﹣0.8×9)×5.7

(68) 2.4×1.5+3.6÷1.5

(69)7.38﹣5.14+3.62﹣2.86

(70)0.12×1.8+8.2×0.12

(71) 5.4÷[0.51÷(1.2﹣1.03)]

(72)[(8.1﹣5.6)×0.9﹣1.05]÷0.04.(73)10.8﹣0.8÷(0.35+0.05)

(74)8×[1÷(2.3﹣2.25)]

(75) 2.64×9.9+0.264

(76) 4.52+0.61+1.39+6.48

(77) 4.27﹣(1.96﹣1.73)

(78)(294.4﹣19.2×6)÷(6+8)(79)12.5×0.76×0.4×8×2.5.(80) 4.98+8.02×2.5

(81)60.8﹣40.8÷2.5

(82)0.8×69.6×12.5

(83) 4.98×99+4.9

(84) 6.48÷3.2÷2.5

(85) 1.2×7.6+7.6×6.8.

(86)(9.4﹣5.8)×2.07

(87)12.54﹣4.56﹣3.44﹣1.54

(88)(9.36×5+9.36+9.36×2)×1.25 (89)7.236÷0.18﹣14.3×0.02.(90)9.6÷0.4×0.25

(91)29.7÷(5.85÷0.65)

(92)7.4×9.9

(93) 3.84﹣2.7×0.64

(94)8.68﹣8.68÷0.56×0.5

(95) 4.7×4.7+4.7+4.3×4.7.(96) 2.72÷[(8.2﹣6.5)×0.5];(97)9.12+9.12×9﹣60.2;

(98)28.4÷0.4÷0.25;

(99)27.36﹣27.36÷7.6.

(100)3.25×0.45+6.75×0.45 (101)31.5﹣24.5÷3.5

(102)7.5×102

(103)6.3+3.7×2.8.

(104)2.15+8.73+1.27+7.85 (105)11.87﹣(8.2+1.87)(106)5.42﹣3.87﹣1.13 (107)4.38﹣1.56+0.62﹣0.44 (108)0.4×270×2.

(109)(40+1.25)×8 (110)(12.5﹣0.05)×8 (111)2.6×8.5+8.5×7.4 (112)9.9×6.9﹣6.9×3.9 (113)5.6×99+5.6

(114)2.5×(1.9+1.9+1.9+1.9)(115)7.2÷1.25÷8.(116)52.4﹣(15+0.6)÷1.6

(117)9.87×99+9.87

(118)46.8÷0.9÷0.4

(119)5.5×17.3+6.7×5.5.

(120)99×4.2+4.2

(121)0.25×1.25×3.2

(122)6.4×14+15×6.4+6.4

(123)(1.3+1.3×0.125×8)÷(80﹣77.4)(124)4×(25+2.5+0.25)÷111

(125)6.25÷〔(17.2﹣3.6×4.5)÷0.32〕(126)28.4×99+28.4

(127)0.94×2.5﹣0.45

(128)4×0.8×12.5×2.5

(129)17.5÷0.25×17+13.

(130)10.1×87

(131)2.3+3.19÷(22﹣19.8)(132)1.25×7.2.

(133)9.1﹣1.2÷6﹣6.24

(134)7.3+12.8﹣3.8×2.3

(135)(5.36+7.64)÷13×100 (136)7.575÷[(5.63﹣1.88)×0.2].(137)7.5﹣(5.5+1.24)

(138)0.26+15.68+9.74+2.32

(139)13.26+9.55﹣3.26

(140)6.1+3.9﹣6.1+3.9.

(141) 31.7÷0.63(保留2位小数)(142) 2.4×1.5+3.6÷1.5

(143) 0.32×0.25+0.08÷4

(144)(9.6+1.48÷3.7)÷8

(145) 5.8÷[4×(1.34﹣0.14)]

(146) 5.4÷[0.51÷(1.2﹣1.03)].

(147) 21.35﹣3.25﹣16.75 (148) 33.02﹣(148.4﹣90.85)÷2.5

(149) 32×2.5×0.125 (150) 18.1+(3﹣0.299÷0.23)×1.

(151) 67﹣(2.98+0.67)

(152) 8×16﹣73.8×6

(153) (45+14)÷73+710.

(154) 13.7×0.125×8

(155) 0.8×[13﹣(3.12+5.28)] (156) 102×0.56

(157) 1.53×1.7+0.47×1.7.(158) 5.18+0.73+0.82

(159) 0.75×1.8÷1.5

(160) 12.5×7.1×0.8

(161) 6.12×99+6.12

(162) 8.6÷0.86+8×0.35 (163) 5.6×(18.5﹣8.5÷0.5)(164) 0.125×4.78×80

(165) 2.8×3.6+1.4×2.8 (166) (0.4+40)×2.5

(167) 78.7﹣17.7×3.6 (168) 18÷[0.3×(8﹣6.5)] (169) 12.7+12.5+0.5.

(170) 91÷2.6÷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=

(174) 0.74+0.9×7.4=

(175) 7.8÷0.125÷0.8=

(176) 37.5÷[0.3×(1.34﹣0.84)] (177) (2.5+27.75÷1.5)×1.6.(178) 6.21﹣3.8+2.2

(179) 6.03+3.7+2.97

(180)17.43﹣6.57﹣2.43

(181)20.47﹣(1.47+6.8)(182)13.26+4.71+3.47+5.29 (183) 22.74+8.68﹣13.74.(184)10÷0.2÷2.5

(185)64×4.5+3.6×45 (186) 1.25×3.2×0.8

(187)14.5×102

(188)14.64+3.7×2.8

(189) 8.4÷0.21÷0.5.

(190)0.125×9×8×0.3 (191) 4.62÷5÷0.66

(192) 5.78×2.3+5.78+5.78×6.7 (193) 7.75×[20÷(3.24﹣3.04)].

(194) 1.25×0.5×8×0.2

(195)0.97×9+0.97

(196) 5.4÷[3×﹙3.8﹣2.9﹚].

(197) 0.4×(3.2﹣0.8)÷0.15 (198) 5.7+1.9×0.2÷7.6

(199) 32.4×6.3+32.4×3.7 (200) 18.2﹣10.6×(0.9﹣0.75)

(201) 0.25×3.85×40 (202) 1.46×3.5+3.5×4.54.

(203)7×12.5×0.8

(204) 4.7×3.6+4.7×6.4

(205) 1.45×[(2.8+4.4)÷2.4].

(206) 4.2×(6.18﹣3.03)+6.3 (207) 15.02﹣6.8﹣(1.02+1.2 )

(208) 0.6×[(5﹣0.68)÷1.2]

(209) 2.7÷4+6.3×0.25

(210) (6.02+2.8 )÷0.4﹣2.05 (211) 3.08×3.5+6.2×3.08+3.08×0.3.(212) 2.3+3.91÷(22﹣19.7)

(213) 21.6÷[64.8﹣(48.6﹣2.7×2)].(214) 93.6×3.6+1.4×3.6

(215) 0.25×0.8×0.125×0.4

(216) 2.7×1.5﹣2.7

(217) 9.08+5.45+11.92+4.55 (218) 1.25×30×1.2×0.8.(219)0.6+0.94﹣0.208

(220) 4.85×1.25×8

(221)(64﹣22.4÷1.4)×1.2 (222)18.3﹣6.25﹣3.75

(223) 2.8×3.6+1.4×2.8

(224) 6.6÷〔14.5﹣(1.7+1.8)〕(225) 0.25×9.87×4 (226) 36.7×2.1+10.8 (227) 8.45﹣0.45×0.1

(228) 0.73×102 (229) 7.8×5.6+2.3×4.4 (230) 76.3×27﹣76.3×17.(231) 7.05×23.7+7.05×76.3.

(232) [(7.6﹣5.2)÷0.4+2.54]×32.(233)17.68÷5.2+2.7×1.5

(234)35.6﹣5×1.73

(235) (1.1﹣0.78)×(2.7﹣1.95)(236) 1.3×0.75×4

(237) 1.08÷1.8×1.2

(238) 50.4×1.9﹣1.8

(239) 0.82×0.25+1.18×0.25.(240)8.5×[(2.36+2.42)÷0.25] (241) 3.9÷[(1.3+0.6)×6﹣3.6] (242) 4.25×6.3+3.7×4.25

(243)205×0.99

(244)25.6﹣7.49﹣2.51 (245)[2.5﹣(6.8﹣4.9)]×0.8.

(246)102×4.5

(247) 3.4÷[(1.2+0.5)×5]

(248)8×(20﹣1.25)

(249)0.654+10.9×6.5

(250)22.7×1.25×0.8

(251) 3.91×2.8+6.09×2.8.

(252) 6.23+3.09=

(253)132.4﹣59.8=

(254) 6.62×0.84=

(255) 2.07÷0.023=

(256) [20.026﹣(8.6+9.7)×0.92]÷30.19.(257)0.125×32×2.5

(258)0.8×6.3﹣0.8×3.8

(259)50.4÷3.2×2.08

(260)204÷(3.4×0.5)

(261)(43.26+2.34)÷7.5

(262)(20﹣0.8×9)×5.7.

(263) 13.25﹣0.8+1.75﹣1.2;

(264) 2.5×99+2.5;

(265) 10.36+4.8﹣16.5÷5;

(266) 12.5×2.4.

(267) 38.78﹣19.59+41.22﹣30.41 (268) 2.74×4.86+4.86×6.26+4.86

(269) 0.08×(12.5+2.5)×0.1 (270) 25.92+(10.1﹣14.5×0.2)

(271) 0.487×12.5÷48.7

(272) (8.16+2.09)÷[(10.3﹣9.3)÷0.4].(273) 1.56×1.7+0.44×1.7

(274)12.5×(7.2﹣1.9)×0.8

(275) 0.25×2010+20.10×75

(276) 30.8÷[(6.34﹣4.59)×4].

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