题目内容

(1)4÷
4
5
-
4
5
÷4
(2)1÷[(
7
12
-
1
6
)×24]
(3)6÷
2
3
+4÷
1
3

(4)
7
18
×
1
4
+
3
4
÷
18
7

(5)(
3
4
+
2
9
)÷
1
36
-11
(6)(19+
1
20
)×
1
18
(1)4÷
4
5
-
4
5
÷4
=4×
5
4
-
4
5
×
1
4

=5-
1
5

=4
4
5

(2)1÷[(
7
12
-
1
6
)×24]
=1÷[
5
12
×24]
=1÷10
=
1
10

(3)6÷
2
3
+4÷
1
3

=6×
3
2
+4×
3
1

=9+12
=21;
(4)
7
18
×
1
4
+
3
4
÷
18
7

=
7
72
+
3
4
×
7
18

=
7
72
+
7
24

=
28
72

=
7
18

(5))(
3
4
+
2
9
)÷
1
36
-11
=
35
36
×36-11
=35-11
=24;
(6))(19+
1
20
)×
1
18

=19×
1
18
+
1
20
×
1
18

=1
1
18
+
1
360

=1
7
120
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