精英家教网 > 小学数学 > 题目详情
(4.8×7.5×8.1)÷(2.4×2.5×2.7)
分析:(4.8×7.5×8.1)÷(2.4×2.5×2.7),根据除法的运算性质,将原式转化为:(4.8÷2.4)×(7.5÷2.5)×(8.1÷2.7),据此进行简算.
解答:解:(4.8×7.5×8.1)÷(2.4×2.5×2.7),
=(4.8÷2.4)×(7.5÷2.5)×(8.1÷2.7),
=2×3×3,
=18.
点评:此题考查的目的是理解掌握除法的运算性质,并且能够灵活运用这一性质进行简便计算.
练习册系列答案
相关习题

科目:小学数学 来源: 题型:

(2012?中山模拟)(1)(4.8×7.5×8.1)÷(2.4×2.5×2.7)
(2)3.5×1
1
4
+125%×2
7
10
+3.8÷80%
(3)61
5
7
×
7
12
+51
2
3
×
3
5
+41
1
3
×
3
4
+31
1
2
×
2
3

查看答案和解析>>

科目:小学数学 来源: 题型:

用你喜欢的方法计算.
(1)1000.9+999.1+99.91+100.09+10.009+9.991+1.0009+0.9991
(2)9.99×222+3.33×334
(3)(4.8×7.5×8.1)÷(2.4×2.5×2.7)

查看答案和解析>>

科目:小学数学 来源: 题型:

脱式计算
0.24÷
5
23
+0.24×5
2
5
7
10
×9.4+
8
5
×0.7-70%
178×
178
179
777×9+37×111 2.75÷[15×(2-
1
3
)+2.5]
(4.8×7.5×8.1)÷(2.4×2.5×2.7)
3.8×4.5÷(3.2-2.95)
7
3×4
+
7
4×5
+
7
5×6
+…+
7
99×100

查看答案和解析>>

科目:小学数学 来源: 题型:阅读理解

4.7+2.3= 4.5×2= 6.9-2.5= 7.2×0.8=
6×3.4= 0.62-0.32= 1.4×0.5= 0.75×100=
0.02×0.5= 3.6÷0.3= 6.3÷7= 5.6÷100=
0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2=
0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6=
3.6÷24= 0.8×1.1= 7.2+12.8= 46.7-3.8=
12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41=
10÷20= 24÷15= 8.65×10= 0.35×0.6=
3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=
4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8=
0.56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13=
7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8=
1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=
0.22×102= 9.6÷0.8= 5×0.24= 4.5-0.05=
3.9÷0.13 16.5÷0.5= 5×0.12= 24×0.5=
4.8×0.5= 2.8+4.2= 0.84÷2.1= 5÷0.25=
7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=
0.56÷0.8= 7.4-2.8= 0.18÷0.2= 0.16÷8=
4.5×0.02= 8+7.2= 1.2×30= 0.012×0.2=
7.3×0.3= 9÷6= 3.6÷0.12= 7.8÷0.6=
2÷5= 4.5+5= 0.3÷0.6= 0.96÷0.2=
10.5×0.4= 7.3+0.27= 8×0.125= 0.54÷0.6=
0.61+0.39= 0.56÷28= 10÷20= 4.08÷0.4=
11-9.4= 0.8×0.11= 0.72+12.8= 5.6÷0.01=
2.3×100= 0.75×100= 0.108÷2= 10.8÷9=
0.7÷0.8= 16-5.07= 4.2×0.4= 0.72×6=
12÷0.5= 5.2×0.4= 12.2÷0.2= 5.6÷100=
0.41+3.7= 0.02×0.5= 7.2-0.8= 1.4×0.5=
84÷0.21= 0.75÷0.25= 2.5×16= 0.108÷2=
1.75+32.5= 16-5.07= 5.2÷13= 1.64÷41=
1.02×0.2= 0.26×0.3= 8.4×0.02= 1.29×6=
0.8×0.05= 12.6÷0.03= 8.71÷0.1= 21÷0.21=
0.8×0.13= 0.34÷17= 8.08÷0.4= 0.5×2.2=
1.24÷4= 3.27+0.63= 5.02×0.3= 0.3×0.5=
6.4÷4= 7.2÷1.8= 0.7÷0.35= 0.72÷1.44=
0.48÷0.04= 1.25÷2.5= 5.5+55= 16.8÷8=
0.54+2.2= 3.5-0.05= 2÷0.02= 0.25×40=
1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
46.5+52.5= 0.45×102= 1.25×88= 2.64+3.85+1.54=
8×1.25= 5.6÷3.5= 4.2÷0.7÷6= 0.4×8.6×25=
0.27÷0.3= 2.5×101= 0.65×101-0.65= 2.6×7÷2.6×7=

查看答案和解析>>

同步练习册答案