题目内容

口算
13
15
÷13=
2
3
×9=
7
12
÷
7
8
=
3
4
-
3
4
×0=
4
5
+
2
7
=
9
11
=
7
12
-
3
8
=
3
4
×
8
9
=
8
25
×
5
4
=
3
2
=
5
8
×14=
5
6
÷
6
5
=
7
9
-
4
9
=
1
10
+
3
10
=
3
8
+
5
8
=
1
6
-
1
6
=
1
4
+
1
3
=
1
2
-
1
3
=
1-
2
7
=
1
2
+
1
6
=
考点:分数乘法,分数的加法和减法,分数除法
专题:运算顺序及法则
分析:根据分数的加减乘除的计算法则计算即可.
解答:
解:
13
15
÷13=
1
15
2
3
×9=6
7
12
÷
7
8
=
2
3
3
4
-
3
4
×0=
3
4
4
5
+
2
7
=
38
35
9
11
=
22
3
7
12
-
3
8
=
5
24
3
4
×
8
9
=
2
3
8
25
×
5
4
=
2
5
3
2
=0
5
8
×14=
35
4
5
6
÷
6
5
=
25
36
7
9
-
4
9
=
1
3
1
10
+
3
10
=
2
5
3
8
+
5
8
=1
1
6
-
1
6
=0
1
4
+
1
3
=
7
12
1
2
-
1
3
=
1
6
1-
2
7
=
5
7
1
2
+
1
6
=
2
3
点评:本题考查了分数的四则运算,得数要化成最简分数.
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网