人教版小学数学五年级下册口算竞赛试题.doc

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2020年10月19日 14:21
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小学数学五年级下册口算竞赛试题
计划做题所需时间: 10 分钟 成绩: 书写:
一、我会算。(200题,每题1分)
12.5×80= 14.8÷0.1= 7.2+4.8= 8.56×



0=



4



5
+
2
5
=





55-5.5=




1000= 3.02





4.8÷48=



3 ==







14.8+2.2=




5



9

8
9




0.6+7=





1.25×8=








4


7





111




8

8
= 2.5


÷4=

6-2.5= 0.9

5
7

3
7
= 24÷0.6=
6.6÷0.3= 92÷100= 1.5×
×100=
1111
3
+
7
=
3

5
= 10
2.6×0.3= 14.6+24= 2.4×4=

1
8

7
8
= 0.9×7=
1913
24

24
= 7.2×0.1=
3
7

×0.4= 3.35×1000= 1.2


÷3= 5-1.7= 2.9-




0.9=
4.7+2.3= 46.7-3.8= 3.28×0.1= 5.4
÷0.6=
4.5×2= 12.8÷4= 3.9÷0.13= 3.2
÷5=
6.9-2.5= 5.2
0.62=
7.2×0.8= 12
÷0.8=
6×3.4=
7.4-2.8=
1.7+2.7=
4.2+1.25=
0.62-0.32= 10
÷0.2=
1.4×0.5= 24
÷8=
0.75×100= 8.65
0.02=
5.4×0.1= 0.03+30= 0.125
×1000=
8.1÷100= 3.15
÷13= 7.2×0.1= 7×
÷0.2= 0.01×0.1= 0.56
1.6÷4= 0.25×0.4=
3.5×2= 3.5+0.05=
÷20= 1.6÷0.8= 0.18
÷12= 1÷2.5= 0.16
×10= 1.25×0.8= 4.5×
×8= 3.25
-1.5= 1.25×8= 3.43



×100=
1.7-0.7= 1-0.04=
+0.3=
3
0.8- = 37÷1000= 0.7×8=

1231
- = 1
13132
5
0.9+9=
2.5×0.4= 0.02
×8=
0.4×50= 3.06
100=
2.215×0= 60
÷6=
0.25+0.75=
0.8+0.8=
1.2÷3= 0.49
×3=
0.62-0.32= 10
÷0.2=
1.4×0.5= 24
÷8=
0.75×100= 8.65
0.02=
×5= 80
×10= 1.5
×0.5= 2.8
3
4
-0.25=
÷0.7= 14
÷20= 1.6
÷15= 1
×10= 1.25
×1.25= 0.06
÷10= 8
÷2= 6.6
3
4

1
4

1
4

×0.5= 4.2
÷0.8= 0.18
÷2.5= 0.16
×0.8= 4.5
÷

×



0.02×0.5= 0.35×0.6= 3.2÷0.04=
8+7.2=
3.6÷0.3= 3.08×0.01= 0÷1.7= 1.2×
30=
6.3÷7= 4.95×1000= 0.22×10= 0.012
×0.2=
5.6÷100= 6.9
0.3=
0.75÷0.25= 0.4
0.125×8= 2.4
0.12=
4.8÷0.3= 10.8
0.6=
0.96÷2= 9.6
.
0.56÷28=
4.5+5=
0.36÷0.4= 4.95
0.6=
0.64÷0.8= 9.65
÷0.2=
0.72÷3.6= 0.325
×0.1= 9.6÷0.8= 3×
×0.5= 5×0.24= 9÷6=
÷0.8= 4.5-0.05= 3.6÷
÷9= 3.9÷0.13= 7.8÷
÷0.8= 16.5÷0.5= 2÷5=
0.108÷2= 5×0.12=
÷0.9= 24×0.5= 0.3÷
÷0.1= 4.8×0.5= 0.96
×100= 2.8+4.2= 10.5



×0.4=
3.6÷24= 2.5×8= 0.84÷2.1=
7.3+0.27=
0.8×1.1= 0.56÷0.7= 5÷0.25= 8×
0.125=
7.2+12.8= 0.125×4= 7.8+0.01= 0.54
÷0.6=
0.61+0.39= 5.6÷100= 8.71÷0.1=
3.5-0.05=
0.56÷28= 0.41+3.7= 21÷0.21= 2×
0.02=
10÷20= 0.02×0.5= 0.8×0.13= 2.6÷
26=
4.08÷0.4= 7.2-0.8= 0.34÷17= 0.25
×40=
757
7137
+ + = 7.5- -0.125= + = -
106108
12128
33
+ =
88
五年级数学下册口算题

班别: 姓名: 成绩:
0.75+4.25= 4.2×5= 4.7+2.3=



0.75×100=
5.6÷100= 2.5×4= 10-9.25=
0.06×1.5= 0.3÷0.5= 0.7×0.8=
1+0.01= 0.1÷0.01= 2.1÷0.7=
1-0.34= 0.175+0.0225=
8×0.125= 5.6
0.02×0.5=
0.75÷0.25=
÷0.9=
0.25×8=
+0.01=
0.63÷0.9=
÷2=
5.9-2.5=
0.125×8=
0.53×1000=
1.2÷0.2=
1÷0.01=
0.4=
9.63÷3=
-0.8=
1.4×0.5=
+3.8= 0.62-0.32=
÷4= 0.1÷100= 6.3
×2.5= 1×0.01= 0.1
+0.54= 8.9-0.9= 0.96
×2= 3.6÷3=
72.8×0.01= 1÷125=
÷0.6= 20÷0.2= 1×
-0.23= 4.8÷0.3= 7.2
÷100= 6.3÷0.7= 6+
16.8
0.04
0.6
4.5

48
7
29



2.4=
12.5×8= 8.9×0= 0.78÷3= 0.35
÷0.5=
9.36÷0.9= 100÷0.4= 0.81+0.09=
0.4×0.9=
10-5.4= 4÷20=

0.75÷15= 0.4×0.8=
1.54=
1.01×99= 420÷35=

2
5
+
1
5

4
7
-
2
7

= 1-
8
9

1
6
+
1
6

2
3
-
1
3



1
2
+
1
5
+
1
2
= 1-
2
5

-
3
10


2421
9
+
9

5
-
5


3.5×200= 1.5-0.06
4×0.25= 0.36+
25×12= 135÷0.5

5
8
+
1
8

2510
5
-
5


9
10
+
1
10

75
12
-
12


4
7
-
29
7

10

1
3
+
2
3

1
8
+
13
8
+
8



241214431
1- - = - = + = + =
9911117744
31
+ =
44
8.9-(3+0.9)= 7÷8= 1.5+2.45= 2×
1.7+2×1.3=
0.4×101-0.4= 1.25×0.7×0.8= 0.79+0.79
×99=
1÷5+1÷5= 0.89×101-0.89= 2-0.64-
0.36﹦
1.1-2.7÷27= 12.4×11-12.4=
1.25×3.3×0﹦
20-3.7-7.3= 5×0.75÷1.5×0.75= 1-0.1×
0.1=
6×0.125×8= 1×0.4÷1×0.4= 37.2×99+
37.2=
25×4÷0.25×4= 0.9×7+10.7= 9÷5-
1.9÷5﹦
6.8-2.4÷3= 0.6÷0.3+0.5= 1.9+5.1÷
51=
1.8÷0.9×0.5= 12-0.05×4= 1×0.01÷
0.1= 7.2-1.2+6.7= 25×3.3×0﹦
(1.25-0.125)×8= 7.74×(2.8-1.3)+1.5×2.26



=
21×(9.3-3.7)-5.6= 36.54-1.76-4.54=
23.4-0.8-13.4-7.2= 13.7×0.25-3.7÷4=
4.9÷1.4= 0.85×199 = 0.25×36 =
3.2×0.25×12.5=
9
10
-
4
10

1
4
-
1
5

6
7

5
7



5
6
-
1
6

255
9
+
9
= 1-
6

3
4

1
3






6000毫升=(6)升=(6000)立方分米
7.5升=(7)升(5)毫升=(7500)毫升
1000000立方厘米=(10000)立方分米
=(10000)升
56000升=(56000)立方分米
45000毫升=(45)升=(0.045)立方米
720立方分米=(0.72)立方米
=(720000)立方厘米
3350立方厘米=(3.35)立方分米=(3.35)升
5
8
-
3
8




16升=(16)立方分米=(16000)立方厘米
1.3立方米=(1300)立方分米=(1300)升
1立方分米=(0.001)立方米=(1)升
7.7升=(7.7)升=(7700)毫升
550毫升=(0.55)升=(550)立方厘米
1.25升=(1250)毫升=(0.00125)立方米
2立方分米=(2)升=(2000)毫升
1立方米=10立方分米=(1010)升
220立方分米=(220)升=(220000)毫升
60000毫升=(6)升=(0.06)立方米
810000立方厘米=(810)升
3.5升=(3.5)立方分米=(3500)立方厘米




17×40= 100-63=
= 2.8×0.4=
14-7.4=
0.32×500= 0.65+4.35=
10-5.4= 4÷20=
1.5-0.06=

3.2+1.68
0.04=

3.5×200=


1.92÷



0.75÷15= 0.4×0.8=
4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12
= 135÷0.5=
34 + 14 = 2 + 49 = 3 - 23
= 34 - 12=
16 + 12 -16 = 7.5-(2.5+3.8)=
78 + 38 = 310 +15 =
45 - 710 = 2 - 16 -13 =
0.51÷17= 32.8+19=
5.2÷1.3= 1.6×0.4= 4.9×0.7
= 1÷5=
6÷12= 0.87-0.49=
3.8+2-8+2 = 4.25X4=
123+25= 123-35= 56×7=
135÷5= 248+89= 146-23=
155×5= 456-12= 456+45=
546-457= 45×10=451
564-12=47.
879+54= .896-546=350 ...
56×12= 45-5= 457+456=
0.3X2.5X0.4 = 50X0.13X0.2=



0.8X630X0.125= 0.78X101=
1.5X102 = 9.8X25 = 1.2X2.5+0.8X2.5
= 1.25X0.7X0.8 =
3.8+4.5+6.2 = 93÷0.31÷3 = 3.25-
0.84-0.16 = 88X0.25X4 =
2.8X3.6+1.4X2.8= (3.2+0.128)÷0.8 =
9.83X1.5+6.17X1.5 =
10.1X87 = 312X4+188X4 =
0.135X500X0.2 =
6.3+0.84+3.7+8.16 = 18.75-0.43-4.57 =
0.25X0.03X4 =
13.7X0.25X8= 2.65X1.7+1.35X1.7 =
32.8+5.6+7.2 =
(2.5+0.25)X0.4 = 8X(2.5X0.25)=
8.4X0.2+1.6X0.2 =
1.25X0.8X0.5 = (1.5+0.25)X0.4 =
1.2X0.4+1.3X0.4 =

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