五年级小数分数简便运算练习题Word下载.docx
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五年级小数分数简便运算练习题Word下载.docx
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1024.8×
7.8+78×
0.52
6.4×
0.25+3.6×
0.254.8-4.8×
0.5(1.25-0.125)×
8
4.8×
100.156.5×
9.9+56.57.09×
10.8-0.8×
7.09
320÷
1.25÷
818.76×
9.9+18.763.52÷
0.4
.25×
2.5×
323.65×
10.13.6-3.6×
0.8
15.2÷
0.25÷
44.2×
99+4.20.89×
100.1
一、竖式计算。
1、(得数保留一位小数)
(1)0.38×
0.23
(2)5.79×
3.6
(3)4.6×
0.25
(4)6÷
24
(5)52.95÷
75
(6)3.01÷
7
(7)4.95÷
11
(8)84.01÷
31(用乘法验算)
(9)0.646÷
19
2、(除不尽的保留两位小数)
(11)3÷
1.2
(12)2.7÷
0.36
(13)88.4÷
1.7
(14)7.525÷
0.38(15)4÷
15
(16)91.2÷
0.57
(17)84.84÷
(18)5.63÷
6.1(19)56÷
77
(20)1.47÷
4.2
(21)19.19÷
0.95
(22)
56.29÷
6.1
(23)23÷
33
(24)7.41÷
(25)
21÷
240
(26)9.68÷
16
(27)3.85÷
0.76
(28)53.3÷
4.7
(29)56.29÷
6.1
(30)28.74÷
31
3、得数用循环小数表示。
(31)0.2÷
0.06
(32)13÷
(33)30.1÷
(34)
17÷
15(35)7.8÷
2.2
(36)5.52÷
9
(37)67.8÷
(38)8÷
二、能简便计算的要简便计算
(39)2.5×
3.6×
0.9
(40)12.5×
0.3×
8.8
(41)1.25×
(100-8)
(42)42÷
(5.25÷
0.25)
(43)0.4+12.6÷
0.28×
0.2
(44)8.4-8.4×
1.5÷
1.8(45)12.5×
4.5+4.5×
12.5+12.5
(46)1.2×
98
(47)2.4×
1.25×
0.3
(52)(0.25+2.5+25)×
0.4
(53)3.5×
1.02+35×
0.098
(54)0.27×
99+0.27
(55)2.5×
3.2×
0.125
(56)13.5÷
0.125÷
0.4(57)2.61×
4.5+2.61×
6.5-2.61
(58)3.4×
1.01
(59)6.5×
1.98
(60)6.8×
0.75÷
0.5
(61)13.75÷
0.125–2.75
(62)1.53+23.4÷
7.2(63)22.9-13.68+12.68
(64)4.7×
11-4.7
(65)28.8×
6.3-6.3×
18.8
(66)4.8+5.2÷
4
(67)5.37—(2.37+1.8)
(69)2.85÷
0.8
(70)10.5×
0.25×
12
(71)3.7×
91.6+7.3×
91.6-91.6
(72)3.2×
0.82+3.2×
1.18
(73)4.05÷
0.5-1.14
(75)12.5×
0.4×
8
(76)7.75×
[20÷
(3.24-3.04)]
(77)43.2-1.8×
3-4.6(78)4.2×
7.8+2.2×
(79)0.87×
3.16+4.64
(80)12.5×
4.8
(81)4.7×
4.7+4.7×
6.3-4.7
(82)12.5×
(83)23.4÷
7.2+6.5×
(84)20.64-9.83-0.17
(85)6.8÷
(1.2+0.5)×
0.04
(86)7.26-5.4+1.74-1.6
(87)2.06+2.06×
99
(88)9.5×
101
(91)2.8×
0.5+0.5×
28.2-0.5(92)3.2×
1.25
(93)7.2÷
[(7.22-6.4)÷
0.9]
(94)4.65×
32+2.5×
46.5+0.465×
430
(96)0.46×
1.9+0.54×
1.9(97)3.45×
102
(98)12.5×
88
(99)13.65÷
4(100)28.98÷
6.3-3.15
三、解方程
8x=24
x÷
0.5=1.2
x-3.8=9.53
2.4x=26.4
4.06+x=7.11x÷
1.5=1.5
3x-24=9
13x+2×
7=40
96÷
6+4x=563x-1.2x=9
3.6x+2×
1.4=8.2
18×
0.6-10x=4.260.4(x-3)=0.72
1.5×
(10-x)=3
2.8÷
(3+x)=3.5×
0.20.8(x+4.8)=5.2
(x-6)÷
0.5=3
4x-45+18=211.6x-9=3.8
4(0.9+x)=4.8
(x-1.9)÷
5=1.1
0.4×
20-0.4x=6
24x-8x=28.8
4.5x+1.6x=42.7(7-1.4)x=2.89x-5.2×
6=4.8
(2.5+x)÷
0.8=5
0.5×
(x-1.8)=2.422.5×
2+5x=135
4×
(0.3+x)=4.8
20-0.4x=6(4x-0.32)+1.6=2.08
3.5x-x=17.5
4x-10=x+1108.9-5x=2.7
3.54×
5-1.7x=13.45
1.6x+2x×
0.7=184x-0.32+1.6=2.08
28-x+3.6=20
3.5x-0.8x=11.349x-14×
5.5=58
6.2x-x=41.6
0.23x+2×
7=50
12(x+3.7)=144
5x-3×
11=421.8×
2-0.3x=2.4
7.2x-3.6x=9×
x-0.8x+0.7x=8.1
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