精英家教网 > 小学数学 > 题目详情
1
6
+
5
6
=
3
10
+
2
10
=
17
25
-
7
25
=
2
9
+
5
9
+
8
9
=
1-
3
8
-
1
8
=
2
13
+
8
13
-
7
13
=
分析:根据同分母分数加减法的计算方法进行计算即可.
解答:解:
1
6
+
5
6
=1,
3
10
+
2
10
=
1
2
17
25
-
7
25
=
2
5
2
9
+
5
9
+
8
9
=
5
3
1-
3
8
-
1
8
=
1
2
2
13
+
8
13
-
7
13
=
3
13
点评:同分母分数相加减,分母不变,只把分子相加减.
练习册系列答案
相关习题

科目:小学数学 来源: 题型:

计算下列各题,得数化成最简分数.
5
11
+
6
11
=
1
5
+
1
7
=
3
4
-
1
6
=
5
8
+
3
8
-
4
8
=
1
6
+
5
6
=
3
10
+
2
10
=
17
25
-
7
25
=
1-
3
8
-
1
8
=

查看答案和解析>>

科目:小学数学 来源: 题型:

计算下面各题.
1
4
+
2
4
=
2
5
+
2
5
=
1
6
+
4
6
=
3
10
+
4
10
=
4
7
+
1
7
=
5
12
+
6
12
=
5
9
+
4
9
=
1
6
+
5
6
=
3
10
+
7
10
=

查看答案和解析>>

科目:小学数学 来源: 题型:

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
=

查看答案和解析>>

科目:小学数学 来源: 题型:

直接写出得数.
1
6
+
1
4
=
2
3
÷
1
6
=
5
6
×
3
10
=
3
4
-
1
5
=
2.1×0.3= 3.6-1.24= 6÷15%= 0.5×3=

查看答案和解析>>

同步练习册答案