题目内容

脱式计算.
(1)[
7
10
-(
1
2
+
2
5
×50%)]÷
16
7
;
(2)
5
4
-
5
4
÷5×
2
3
;
(3)(9.3×
5
6
-7.3)÷
9
4
;
(4)
39
5
÷[32×(1-
5
8
)+
18
5
]
.
(1)[
7
10
-(
1
2
+
2
5
×50%)]÷
16
7

=[
7
10
-(
1
2
+
2
5
×
1
2
)]×
16
7
,
=[
7
10
-(
1
2
+
1
5
)]×
16
7
,
=[
7
10
-
7
10
]×
16
7
,
=0×
16
7
,
=0;

(2)
5
4
-
5
4
÷5×
2
3

=
5
4
-
5
4
×
1
5
×
2
3
,
=
5
4
-
1
6
,
=
13
12
;

(3)(9.3×
5
6
-7.3)÷
9
4

=(7.75-7.3)×
4
9
,
=0.45×
4
9
,
=0.2;

(4)
39
5
÷[32×(1-
5
8
)+
18
5
]

=
39
5
÷[32×
3
8
+
18
5
],
=
39
5
÷[12+
18
5
],
=
39
5
×
5
78
,
=
1
2
.
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