三年级下册数学计算能力大赛试题

玛丽莲梦兔
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2021年01月21日 12:01
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教堂英文-

2021年1月21日发(作者:鞠处信)
小学数学三年级下册计算试题

比赛时间:
9
0
分钟

一、口算。
(
52
×
0.33
=
17.5 14
×
0.5
=
7
共
24.5
分)


3
×
10
=
80
×
40
=
18
×
5
=
40
×
60
=

30
÷
10
=
13
×
4
=
25
×
20
=
160
×
4
=

300
÷
50
=
720
÷
90
=
16
×
6
=
720
÷
90
=

180
÷
20
=
0
÷
90
=
130
×
40
=
120
85
÷
5
=
57
÷
3
=
0
+
8
=
320
70
÷
5
=
25
×
4
=
15
×
6
=
630
450
÷
15
=
12
×
40
=
240
÷
60
=
16
84
÷
42
=
600
-
50
=
500
×
3
=
0
27
×
30
=
84
÷
12
=
420
÷
30
=
910
91
-
59
=
11
×70=

1000÷5
0
=
75
320
-
180
=
230
×
40= 40
+
580
=
560
95
÷
19
=
480
+
90
=
510
÷
17
=
2000
72
÷
24
=

8000÷2=
102
+
20
=
4000
125
-
25
×
2
=
50
×
0
×
8
=
75
+
25
÷
5
=
45
+
55
÷
5
=

7
+
3
×
0
=
90
÷
5
×
3
=
100
6
×(
103
-
98
)=
70
×(
40
-
32
)=
51
420
÷20×8=





75
0÷(
70+80
)
=



二、笔算。
(
20
×
1
=
20 6
×
1.5
=
9
分

共
29
分)


54
×
63
=
205
×
38
=
360
×
19
=
774





×
50
=

×
30
=

÷
90
=

×
60
=

×
930
=

÷
30
=

÷
15
=

÷
40=
÷
40
=

÷
50
=

÷
47
×
12
=

÷
10
×
30
=

-
4
×
6
÷
3
=

300÷2÷5=

÷
86
=

32
5408
÷
52
=
3770
÷
94
=
109
×
47
=
9900
÷
45
=






231
×
34
=
3192
÷
84
=
360
×
50
=
324
×
68
=






2030
÷
39
=
623






6968
÷
24
=
8800






136
×
35
=
7820
验算:






5240
×
38
=
5512

验算:




×
36
=
206
÷
40
=
7809
÷
23
=
9730
验算:

÷
53
=
4545
验算:
×
38
=
1770
÷
59
=

÷
78
=
950
×
50
=

÷
78
=

验算:

÷4
5
=

验算:



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教堂英文-


教堂英文-


教堂英文-


教堂英文-


教堂英文-


教堂英文-


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