题目内容

计算下列各题,能简算的要简算.
18
5
÷[
12
5
×(
1
2
+
2
3
)]
6
7
-
6
7
÷6
1
4
-
1
6
)×12
7
18
×
1
4
+
3
4
×
7
18

(1)
18
5
÷[
12
5
×(
1
2
+
2
3
)],
=
18
5
÷(
12
5
×
1
2
+
12
5
×
2
3
),
=
18
5
÷(
6
5
+
8
5
),
=
18
5
÷
14
5

=1
2
7


(2)6÷
6
7
-
6
7
÷6,
=6×
7
6
-
6
7
×
1
6

=7-
1
7

=6
6
7


(3)(
1
4
-
1
6
)×12,
=
1
4
×12-
1
6
×12,
=3-2,
=1;
(4)
7
18
×
1
4
+
3
4
×
7
18

=
7
18
×(
1
4
+
3
4
),
=
7
18
×1,
=
7
18
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