小数四则混合运算专项练习276题有答案okWord文档格式.docx
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(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÷
(31)4.32+5.43+6.68
(32)17.17﹣6.8﹣3.2
(33)5.29×
9+5.29
(34)16.8×
(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×
(41)15.68﹣(7.78﹣4.32)﹣2.32
(42)0.25×
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×
(49)23.25﹣6.75﹣3.25.
(50)125×
2.5
(51)3.6×
(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×
0.27
(61)102×
0.45
(62)22.78÷
(63)0.34×
101﹣0.34.
(64)0.125×
2.5
(65)0.8×
6.3﹣0.8×
3.8
(66)504÷
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×
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×
(80)4.98+8.02×
(81)60.8﹣40.8÷
(82)0.8×
69.6×
12.5
(83)4.98×
99+4.9
(84)6.48÷
3.2÷
(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)×
(89)7.236÷
0.18﹣14.3×
0.02.
(90)9.6÷
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÷
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×
12.5×
(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
(143)0.32×
0.25+0.08÷
(144)(9.6+1.48÷
3.7)÷
(145)5.8÷
[4×
(1.34﹣0.14)]
(146)5.4÷
(1.2﹣1.03)].
(147)21.35﹣3.25﹣16.75
(148)33.02﹣(148.4﹣90.85)÷
(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×
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÷
(160)12.5×
7.1×
(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)×
(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÷
(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÷
(185)64×
4.5+3.6×
45
(186)1.25×
(187)14.5×
102
(188)14.64+3.7×
(189)8.4÷
0.21÷
0.5.
(190)0.125×
9×
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×
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×
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×
(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.