直接寫出得數(shù).
5
28
÷
1
5
=
1
5
÷3=
12×
2
3
=
2-
1
4
=
3
4
+
1
2
=
9
10
×
5
12
=
1
5
=
3
8
+
1
2
=
20÷
5
9
=
34
39
×
3
17
=
分析:根據(jù)分?jǐn)?shù)的加減法、分?jǐn)?shù)乘法、分?jǐn)?shù)除法的計算法則進(jìn)行計算即可得到答案.
解答:解:
5
28
÷
1
5
=
25
28
1
5
÷3=
1
15
12×
2
3
=8,
2-
1
4
=1
3
4
3
4
+
1
2
=1
1
4
9
10
×
5
12
=
3
8
1
5
=10
3
8
+
1
2
=
7
8
20÷
5
9
=36
34
39
×
3
17
=
2
13
故答案為:
25
28
,
1
15
,8,1
3
4
,1
1
4
,
3
8
,10,
7
8
,36,
2
13
點評:此題主要考查的是分?jǐn)?shù)的加減法、分?jǐn)?shù)乘法、分?jǐn)?shù)除法的運算.
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:

直接寫出得數(shù):
2
7
×2=
3
5
×1=
3
4
×
1
3
=
12×
3
4
=
5
28
×7=
18×
1
6
=
5-
3
7
=
7
24
×
3
14
=
1
3
×0=
5
6
×12=

查看答案和解析>>

科目:小學(xué)數(shù)學(xué) 來源: 題型:

直接寫出得數(shù).
8
15
×1
=
3
7
×0
=
9
11
×
5
9
=
2
9
×4×
3
8
=
5
28
×
4
9
=
1
5
×
1
5
×
5
12
=
10
91
×
13
20
=
17
25
×14+
17
25
×11
=

查看答案和解析>>

科目:小學(xué)數(shù)學(xué) 來源: 題型:

直接寫出得數(shù):
2
7
×2=
3
5
×1=
3
4
×
1
3
=
12×
3
4
=
2
3
3=
5
28
×7=
4
5
×
4
7
=
5-
3
7
=
7
24
×
3
14
=
1
6
+
5
6
×
1
5
=

查看答案和解析>>

科目:小學(xué)數(shù)學(xué) 來源: 題型:

直接寫出得數(shù):
3
3
8
-1.2=
(0.1)3= 3÷1
1
3
=
1
4
×0.4=
2
3
-
4
7
=
5
28
×7=
1
3
+1
3
7
=
1
5
÷5×
1
5
=
1
6
+
5
6
×
1
5
=
21
3
5
÷3=

查看答案和解析>>

同步練習(xí)冊答案