45 - 9→(   )÷6→(   )+15→(   )÷7→(   )×9→(   )
36;6;21;3;18
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科目:小學(xué)數(shù)學(xué) 來(lái)源: 題型:

口算:
260+400= 640-400= 400÷5= 34×2= 4800÷8=
250萬(wàn)-70萬(wàn)= 640萬(wàn)-40萬(wàn)= 940萬(wàn)+60萬(wàn)= 4×500= 630÷3=
2+8×6= (54-45)÷9=
1
7
+
5
7
=
1-
1
3
=
3
4
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3
4
=
1-
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9
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3
15
=
3
6
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6
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科目:小學(xué)數(shù)學(xué) 來(lái)源: 題型:

(2011?建湖縣模擬)列式計(jì)算.
(1)
2
3
3
5
的差除以
1
6
,商是多少?
(2)一個(gè)數(shù)比它的
4
5
多9,這個(gè)數(shù)是多少?(用方程解)

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科目:小學(xué)數(shù)學(xué) 來(lái)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
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6.25+1.75=
1
2
÷
7
18
=
9
10
×6
=
1
8
+
1
9
=
3
4
÷
4
3
=
1
2
×
2
3
=
12-
5
7
=
2
5
=
2
9
÷18
=
7
28
÷
2
9
=
10×1×
2
5
=
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4
5
=
1
3
×9+9×
2
3
=
42÷
21
23
=
3
8
÷12
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科目:小學(xué)數(shù)學(xué) 來(lái)源: 題型:

脫式計(jì)算.
150÷25+72×3
1+0.45÷0.9-0.75
1-
7
12
×
3
8
÷
7
16

5
16
×[8.6÷(3.7+
3
5
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科目:小學(xué)數(shù)學(xué) 來(lái)源: 題型:

口算小高手.
6×7=
 
    
45÷5=
 
    
 
=9    
36÷4=
 
72÷8=
 
    
18÷6=
 
    
54÷9=
 
 
×8=32.

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