3
4
×
2
5
=
6
7
÷2=
12×
4
45
=
1
3
=
6
5
÷
3
5
=
5
6
÷
3
2
=
2
7
×14=
1-
1
2
×
2
7
=
1
2
÷
1
4
=
5
12
-
1
8
×
2
3
=
分析:分別根據(jù)分?jǐn)?shù)乘法,分?jǐn)?shù)的加法和減法,分?jǐn)?shù)除法的計(jì)算法則計(jì)算即可.
解答:解:
3
4
×
2
5
=
3
10
          
6
7
÷2=
3
7
         12×
4
45
=
16
15
       3÷
1
3
=9         
6
5
÷
3
5
=2                 
5
6
÷
3
2
=
5
9
        
2
7
×14=4         1-
1
2
×
2
7
=
6
7
       
1
2
÷
1
4
=12            
5
12
-
1
8
×
2
3
=
1
3
點(diǎn)評:考查了分?jǐn)?shù)的四則運(yùn)算,是基礎(chǔ)題型,比較簡單.
練習(xí)冊系列答案
相關(guān)習(xí)題

科目:小學(xué)數(shù)學(xué) 來源: 題型:

(2012?資中縣模擬)
直接寫出得數(shù).
684+198=
14.3-0.8= 2.5×40= 0.35×99+0.35=
3
4
÷6=
1-
1
3
+
2
3
=
3.7×1000= 7×8×(
1
7
+
1
8
)=
3
4
×
2
5
=
6
7
÷2=
2
3
÷
3
7
×0=
2
5
×4+
2
5
=
7-
6
13
=
10
9
÷
9
8
=
1
7
×
3
4
=
3
4
×4÷
3
4
×4=

查看答案和解析>>

科目:小學(xué)數(shù)學(xué) 來源: 題型:

直接寫得數(shù).
3
4
×
2
5
=
6
7
÷2
=
2
7
×14
=
10×
4
5
=
10
9
÷
9
8
=
2
7
×2
=
7
24
×
3
14
=
4
3
÷
3
4
=
1
5
÷
2
3
=
1
7
×
3
4
=

查看答案和解析>>

科目:小學(xué)數(shù)學(xué) 來源: 題型:

直接寫得數(shù).
3
4
×
2
5
=
6
7
÷2=
2
7
×14=
10×
4
5
=
2
7
×2=
7
24
×
3
14
=
4
3
÷
3
4
=
1
5
÷
2
3
=

查看答案和解析>>

科目:小學(xué)數(shù)學(xué) 來源: 題型:

直接寫出計(jì)算結(jié)果.
3
4
×
2
5
=
6
7
÷2=
12×
4
45
=
1
3
=
5
12
-
1
8
×
2
3
=
5
6
÷
3
2
=
2
7
×14=
1-
1
2
×
2
7
=
1
2
÷
1
4
=
6
5
÷
3
5
=

查看答案和解析>>

同步練習(xí)冊答案