3
5
×1
1
2
3
5
×1
1
2
,
=
3
5
×
3
2

=
36
5
,
=7
1
5
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科目:小學(xué)數(shù)學(xué) 來源: 題型:

(2012?榆林模擬)
口算
5.4-3
2
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=
3.14×8= 5.3+0.07= 8-1
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4
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科目:小學(xué)數(shù)學(xué) 來源: 題型:

(2004?宜興市)
直接寫出得數(shù):
7÷1.4=

3.25×40=

1.9×4×0.5=

253-199=
36×25%= 3.7×99+3.7=
19
20
×21
=
(8+
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9
)÷4
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9
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科目:小學(xué)數(shù)學(xué) 來源: 題型:

3
5
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1
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科目:小學(xué)數(shù)學(xué) 來源: 題型:

3
4
×2
=
1
6
+
1
2
=
5
9
÷5
=
1
12
×
6
7
=
3
4
÷3
=
5
4
×
5
4
=
5
8
÷1
=
5-
2
3
=
3
9
×12
=
3
5
×
5
12
=
4-
2
3
=
7
12
×3
=
2
7
÷14
=
8+
3
5
=
13
30
=
39×
3
13
=
1
2
=
5
6
÷
3
4
=
12
7
=
20÷
4
5
=
1-
9
10
=
2.5×16=
5
12
÷
1
6
=
3
2
×
4
5
=
8
15
÷24
=
11÷
22
8
=
1
2
÷
3
8
=
4
7
÷
2
3
=
3
4
+
1
7
=
1.5÷0.05=
1
9
×9
=
1.5÷0.05=
5
8
÷
7
12
=
4
5
×
2
3
×
5
6
=
5
9
×
2
5
=
2.5×0.4=
14×
5
16
=
(
1
2
+
1
3
)×12
=
14
33
×
3
7
=
7
9
=
5
8
×
5
8
=
5
21
+
4
7
=
7
9
÷7
=
2-
1
4
=
3
5
-
1
8
=
4
21
÷
8
7
=
2
3
-
1
4
=
6.25+1.75=
1
2
÷
7
18
=
9
10
×6
=
1
8
+
1
9
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3
4
÷
4
3
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1
2
×
2
3
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12-
5
7
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2
5
=
2
9
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=
7
28
÷
2
9
=
10×1×
2
5
=
20÷
4
5
=
1
3
×9+9×
2
3
=
42÷
21
23
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3
8
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