什么是小数四则混合运算?
小数四则混合运算就是小数加法,减法,乘法,除法的混合运算。我们在计算小数四则混合运算时,运算顺序和整数四则混合运算的运算顺序是一样的,先算乘除法,再算加减法,如果有小括号先算小括号里面的,再算小括号外面的。例如:
3.8+1.2÷2-0.3×3
=3.8+0.6-0.9
=4.4-0.9
=3.5
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5?五年级小数四则混合运算计算题300道?
小数乘除法计算题
乘法:
5.6×2.9
3.77×1.8
0.02×96
5.22×0.3
9.99×0.02
4.67×0.9
5×2.44
1.666×6.1
9.432×0.002
5.6×6.5
4.88×2.9
5.61×4.3
8.9×2.4
5.5×55
9.77×0.02
1.384×5.1
8.78×83
2.6×61
0.059×0.2
4.268×1.7
57×5.7
9.46×2.85
17.8×6.4
1.5×4.9
2.5×0.88
5.555×5.2
2.22×3.33
7.658×85
36.02×0.3
56.78×8
除法:
85.44÷16
42.84÷7
101.7÷9
67.5÷15
230.4÷6
21.24÷36
0.736÷23
43.5÷12
35.21÷7
39.6÷24
6.21÷0.03
210÷1.4
51.3÷0.27
91.2÷3.8
0.756÷0.18
0.66÷0.3
11.97÷1.5
69.6÷2.9
38.4÷0.8
15÷0.06
(循环小数的用简便方法,除不尽保留2位小数):
8.2÷0.12
0.8÷0.9
76.4÷5.4
4.7÷3
1.25÷1.2
32÷42
14.36÷2.7
8.33÷6.2
1.7÷0.03
2.41÷0.7
用竖式计算
0.396÷1.2= 0.756÷0.36= 15.6×13=
0.18×15= 0.025×14= 3.06×36=
0.04×0.12= 3.84×2.6≈ 5.76×3= (保留一位小数)
7.15×22 90.75÷3.3 3.68×0.25
16.9÷0.13 1.55÷3.9 3.7×0.016
13.76×0.8= 5.2×0.6 8.4×1.3
6.4×0.5 4.48×0.4 5.25×5
35.4×4.2 0.042×0.54
5五年级小数四则混合运算计算题300道?
(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 (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
(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+9.36×4 (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
(124)4×(25+2.5+0.25)÷111 (125)(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)
(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)3.08×3.8+6.2×3.08 (212)2.3+3.91÷(22﹣19.7) (213) 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 (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)(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 (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