小数四则混合运算专项练习题(能简便的要简便)
公司开业贺词-独木桥
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小数混合运算专项练习276题(能简便的要简便运算)
(1) 0.11×1.8+8.2×0.11 (13) 1.25×2.4
(2) 2.34×99+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) 132×101 (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) 2.5×16. (18) 16.8×10.1
(7)
6.33×101﹣6.33 (19)
10.9﹣0.9÷0.2+1.8
(8) 1.56×1.7+0.44×1.7 (20)
1.25×3.2×0.25.
(9) 1.8×[(3.41﹣2.9)÷0.03] (21)
1.36+4.85+2.64+6.15
(10) 0.125×32×2.5.
(22) 98.5÷2.5÷4
(11)
1.258×18.5﹣0.258×18.5 (23) 5.4÷[2.5×(3.7﹣2.9)]
(12) 8.48÷0.8×0.9 (24) 0.8×(4﹣3.68)÷0.01
小数混合运算---
1
(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÷2.4×1.7;
(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
(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
小数混合运算---
2
(51) 3.6×10.1 (64)
0.125×32×2.5
(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÷3.2×2.08
(54) (1.48+3.02)÷(3.6×0.5) (67)
(20﹣0.8×9)×5.7
(55) (36.7﹣4.9)×101﹣31.8. (68)
2.4×1.5+3.6÷1.5
(56) 6.33×101﹣6.33 (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) [(8.1﹣5.6)×0.9﹣1.05]÷0.04.
(60) 1.08×0.8÷0.27 (73) 10.8﹣0.8÷(0.35+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)
0.34×101﹣0.34. (76) 4.52+0.61+1.39+6.48
小数混合运算---
3
(77)
4.27﹣(1.96﹣1.73) (90) 9.6÷0.4×0.25
(78)
(294.4﹣19.2×6)÷(6+8) (91) 29.7÷(5.85÷0.65)
(79) 12.5×0.76×0.4×8×2.5. (92) 7.4×9.9
(80) 4.98+8.02×2.5 (93) 3.84﹣2.7×0.64
(81) 60.8﹣40.8÷2.5 (94) 8.68﹣8.68÷0.56×0.5
(82) 0.8×69.6×12.5 (95) 4.7×4.7+4.7+4.3×4.7.
(83) 4.98×99+4.9 (96) 2.72÷[(8.2﹣6.5)×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)
3.25×0.45+6.75×0.45
(88)
(9.36×5+9.36+9.36×2)×1.25 (101) 31.5﹣24.5÷3.5
(89) 7.236÷0.18﹣14.3×0.02. (102) 7.5×102
小数混合运算---
4
(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) 99×4.2+4.2
(108) 0.4×270×2. (121) 0.25×1.25×3.2
(109) (40+1.25)×8 (122) 6.4×14+15×6.4+6.4
(110) (12.5﹣0.05)×8 (123)
(1.3+1.3×0.125×8)÷(80﹣77.4)
(111)
2.6×8.5+8.5×7.4 (124) 4×(25+2.5+0.25)÷111
(112) 9.9×6.9﹣6.9×3.9 (125)
6.25÷〔(17.2﹣3.6×4.5)÷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) 0.94×2.5﹣0.45
(115) 7.2÷1.25÷8. (128) 4×0.8×12.5×2.5
小数混合运算---
5
(129)
17.5÷0.25×17+13. (142) 2.4×1.5+3.6÷1.5
(130)
10.1×87 (143) 0.32×0.25+0.08÷4
(131) 2.3+3.19÷(22﹣19.8) (144)
(9.6+1.48÷3.7)÷8
(132) 1.25×7.2. (145)
5.8÷[4×(1.34﹣0.14)]
(133) 9.1﹣1.2÷6﹣6.24
(146) 5.4÷[0.51÷(1.2﹣1.03)].
(134)
7.3+12.8﹣3.8×2.3 (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÷[(5.63﹣1.88)×0.2]. (149) 32×2.5×0.125
(137) 7.5﹣(5.5+1.24) (150)
18.1+(3﹣0.299÷0.23)×1.
(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.
(141) 31.7÷0.63(保留2位小数) (154) 13.7×0.125×8
小数混合运算---
6
(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+6.3×6.3=
(159)
0.75×1.8÷1.5 (172) (3.7+1.7×0.4)÷2.5=
(160)
12.5×7.1×0.8 (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) 2.8×3.6+1.4×2.8
(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
小数混合运算---
7
(181) 20.47﹣(1.47+6.8) (193)
7.75×[20÷(3.24﹣3.04)].
(182)
13.26+4.71+3.47+5.29 (194) 1.25×0.5×8×0.2
(183) 22.74+8.68﹣13.74. (195) 0.97×9+0.97
(184) 10÷0.2÷2.5 (196) 5.4÷[3×﹙3.8﹣2.9﹚].
(185) 64×4.5+3.6×45 (197) 0.4×(3.2﹣0.8)÷0.15
(186) 1.25×3.2×0.8 (198) 5.7+1.9×0.2÷7.6
(187) 14.5×102 (199) 32.4×6.3+32.4×3.7
(188) 14.64+3.7×2.8 (200)
18.2﹣10.6×(0.9﹣0.75)
(189) 8.4÷0.21÷0.5. (201)
0.25×3.85×40
(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+5.78×6.7
(205) 1.45×[(2.8+4.4)÷2.4].
小数混合运算---
8
(206) 4.2×(6.18﹣3.03)+6.3
(219) 0.6+0.94﹣0.208
(207)
15.02﹣6.8﹣(1.02+1.2 ) (220) 4.85×1.25×8
(208) 0.6×[(5﹣0.68)÷1.2] (221)
(64﹣22.4÷1.4)×1.2
(209) 2.7÷4+6.3×0.25 (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+6.2×3.08+3.08×0.3. (224)
6.6÷〔14.5﹣(1.7+1.8)〕
(212) 2.3+3.91÷(22﹣19.7)
(225) 0.25×9.87×4
(213)
21.6÷[64.8﹣(48.6﹣2.7×2)]. (226) 36.7×2.1+10.8
(214) 93.6×3.6+1.4×3.6 (227) 8.45﹣0.45×0.1
(215) 0.25×0.8×0.125×0.4 (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)
76.3×27﹣76.3×17.
(218) 1.25×30×1.2×0.8. (231)
7.05×23.7+7.05×76.3.
小数混合运算---
9
(232) [(7.6﹣5.2)÷0.4+2.54]×32.
(245) [2.5﹣(6.8﹣4.9)]×0.8.
(233)
17.68÷5.2+2.7×1.5 (246) 102×4.5
(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) 22.7×1.25×0.8
(238)
50.4×1.9﹣1.8 (251) 3.91×2.8+6.09×2.8.
(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) 6.62×0.84=
(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) 0.125×32×2.5
小数混合运算---
10
(258) 0.8×6.3﹣0.8×3.8
(268) 2.74×4.86+4.86×6.26+4.86
(259)
50.4÷3.2×2.08 (269) 0.08×(12.5+2.5)×0.1
(260) 204÷(3.4×0.5) (270)
25.92+(10.1﹣14.5×0.2)
(261) (43.26+2.34)÷7.5
(271) 0.487×12.5÷48.7
(262)
(20﹣0.8×9)×5.7. (272)
(8.16+2.09)÷[(10.3﹣9.3)÷0.4].
(263)
13.25﹣0.8+1.75﹣1.2; (273)
1.56×1.7+0.44×1.7
(264) 2.5×99+2.5; (274)
12.5×(7.2﹣1.9)×0.8
(265) 10.36+4.8﹣16.5÷5;
(275) 0.25×2010+20.10×75
(266) 12.5×2.4.
(276) 30.8÷[(6.34﹣4.59)×4].
(267)
38.78﹣19.59+41.22﹣30.41
小数混合运算---
11