题目内容

脱式计算,能简算的要简算
3
7
÷
5
7
×
7
15
6
13
÷7+
1
7
×
8
13
2
7
+
5
7
×
1
5
-
1
14
1
56
÷(
3
14
÷
6
13
(1)
3
7
÷
5
7
×
7
15

=
3
5
×
7
15

=
7
25


(2)
6
13
÷7+
1
7
×
8
13

=
6
13
×
1
7
+
1
7
×
8
13

=(
6
13
+
8
13
)×
1
7

=
14
13
×
1
7

=
2
13


(3)
2
7
+
5
7
×
1
5
-
1
14

=
2
7
+
1
7
-
1
14

=
3
7
-
1
14

=
5
14


(4)
1
56
÷(
3
14
÷
6
13
),
=
1
56
÷(
3
14
÷
6
13
),
=
1
56
÷
13
28

=
1
26
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