(34+38)÷(4+5)=


  1. A.
    72
  2. B.
    8
  3. C.
    3
  4. D.
    134
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科目:小學(xué)數(shù)學(xué) 來源: 題型:

1
2
×
2
5
=
1
5
,
1
5
,
5
7
÷
2
7
=
5
2
5
2
,
1
2
÷
1
4
=
2,
2,
1
3
=
9,
9,
10÷
1
8
×8=
640,
640,
5
14
×7=
5
2
,
5
2
,
3
5
+
2
5
=
1,
1,
100×
7
20
=
35,
35,
3
16
=
3
2
,
3
2
3
8
÷
3
8
×
5
6
=
5
6
,
5
6
,
1
4
+
1
3
=
7
12
7
12
,
1
4
=
0,
0,
2
9
=
2
9
,
2
9
,
7
12
÷
7
12
=
1,
1,
1
4
÷4×
1
4
=
1
16
,
1
16
,
5
6
×36=
30,
30,
3
10
=
10,
10,
10÷
5
9
=
18,
18,
6
5
÷
3
5
=
2,
2,
5
9
×
3
5
×3=
1,
1,
2
7
×14=
4,
4,
2
9
×
3
5
=
2
15
,
2
15
1
2
×3=
3
2
,
3
2
,
6
11
×
11
6
=
1,
1,
9×(2+
5
9
)=
23,
23,
70÷
7
10
=
100,
100,
19×
1
38
=
1
2
1
2
,
4
5
÷8%=
10,
10,
7
8
=
8
7
,
8
7
,
3
4
×
3
8
=
0
0

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科目:小學(xué)數(shù)學(xué) 來源: 題型:

直接寫得數(shù).
3-
1
3
=
8
15
÷
4
15
=
3
4
×
3
8
=
0÷0.99=
15
16
÷
15
16
=
0.75÷0.125=
3
4
÷
1
2
=
5
6
=

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科目:小學(xué)數(shù)學(xué) 來源: 題型:

(2012?寶應(yīng)縣模擬)遞等式計(jì)算.(能簡(jiǎn)算的要簡(jiǎn)算,并寫出必要的過程).
①0.125×0.25×8×4       
②(1-0.05)÷1.9+0.1
8
9
×
3
4
-
7
15
×
5
6
       
8
17
÷23+
1
23
×
9
17

4
29
×[1-(
3
4
-
3
8
)]
⑥3.6-2.8+7.4-7.2.

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科目:小學(xué)數(shù)學(xué) 來源: 題型:

計(jì)算
2
9
+
1
2
÷
4
5
+
3
8
1
8
÷( 1-
1
2
-
1
4
8
15
÷9+
1
9
×
7
15
[4-( 
3
4
-
3
8
)]×
4
29

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科目:小學(xué)數(shù)學(xué) 來源: 題型:

9.2×12
1
2
=
37
8
37
÷9=
72
73
×21=
5.089×
1
100
=
59×
27
58
=
12
5
11
÷
1
11
=
3
7
×
1
8
÷
3
7
×
1
8
=
14
19
+(
6
19
-
18
29
)÷1
1
5
-
14
29
=
34×3.1+5.1×14-6
4
5
=
1
6
+
1
12
+
1
20
+
1
30
+
1
42
=
3+
3
2
+
3
4
+
3
8
+
3
16
+
3
32
+
3
64
=
4.25×1.32×0.75÷(1
8
25
×1
3
16
)=

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