早教吧 育儿知识 作业答案 考试题库 百科 知识分享

计算38÷110×4535÷(615÷37)38-310×5637×25+47×25720×(45-37)2526×13-7÷2×3.

题目详情
计算
3
8
÷
1
10
×
4
5
35÷(
6
15
÷
3
7
3
8
-
3
10
×
5
6
3
7
×25+
4
7
×25
7
20
×(
4
5
-
3
7
25
26
×13-7÷2×3.
▼优质解答
答案和解析
(1)
3
8
÷
1
10
×
4
5

=
3
8
×10×
4
5

=3;

(2)35÷(
6
15
÷
3
7

=35÷
14
15

=37.5

(3)
3
8
-
3
10
×
5
6

=
3
8
-
1
4

=
1
8


(4)
3
7
×25+
4
7
×25
=(
3
7
+
4
7
)×25
=1×25
=25;

(5)
7
20
×(
4
5
-
3
7

=
7
20
×
13
35

=
13
100


(6)
25
26
×13-7÷2×3
=12.5-10.5
=2