35+14.56÷2.24=

[  ]

A.6.2
B.17.64
C.41.5
D.44
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科目:小學(xué)數(shù)學(xué) 來源: 題型:

下面各題怎樣簡便就怎樣計算
①5.02-1.37-2.63                
[
3
5
-(
2
3
-
1
4
5
6
1
10

1
1×2
+
1
2×3
+
1
3×4
+
1
4×5
+…++
1
99×100

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科目:小學(xué)數(shù)學(xué) 來源: 題型:

用簡便方法計算
(1)(
1
10
÷
1
10
+
1998
1999
)×5×7
(2)[
3
5
-(
2
3
-
1
4
5
6
1
10

(3)2002÷
1998
1999

(4)
1
4
×(4.85÷
5
18
-3.6+6.15×3
3
5
)+[5.5-1.75×(1
2
3
+
19
21
)]

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科目:小學(xué)數(shù)學(xué) 來源: 題型:

口算
1
4
×
1
3
=
4
7
÷2
=
1
2
÷
1
2
=
10÷
5
6
=
2
3
×
3
4
=
9
10
÷
1
5
=
1
6
÷6
=
8
9
÷4
=
15×
4
5
=
15÷
1
3
=
3
4
×
2
9
=
2
3
÷
1
2
=
2
5
×
1
2
=
1
2
÷
1
4
=
1
2
×
1
4
=
4
5
÷
1
5
=
3
7
×14
=
1
4
÷
1
2
=
1
2
-
1
4
=
4
9
×
3
4
=
5
8
×
2
5
=
1
6
÷
2
3
=
1
2
+
1
4
=
3
5
÷1
=
7
15
×5
=
3
4
=
1
2
÷
1
4
=
3
5
=
3
4
×12
=
1
5
÷
2
3
=
7
9
×
3
7
=
1-
3
5
=
18×
5
6
=
7
5
=
1
3
+
1
6
=
1+
3
5
=
2
9
×
1
4
=
8
3
÷2
=
3
5
÷
2
5
=
5
9
÷3
=
5
6
×
3
10
=
2
5
÷
1
2
=
1
4
=
3
4
=
30×
1
3
=
4
5
÷2
=
5
24
÷
5
6
=
5
8
×
1
2
×0
=
1
3
×
3
11
=
1
4
=
9
10
÷
3
5
=
1
3
÷
1
2
=
9
11
=
2
5
÷
1
5
=
1
3
÷
1
3
=
2
9
÷
1
2
=
5
6
×
6
5
=
1
5
÷
1
3
=
5
12
=
1
2
÷
1
2
=

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科目:小學(xué)數(shù)學(xué) 來源: 題型:013

3514.56÷2.24

[  ]

A6.2

B17.64

C41.5

D44

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