题目内容

计算下面各题,能简算的要简算.
8
7
-(
1
7
+
1
10
)
5×
1
3
×
2
5
×
3
10
4
7
÷6+
3
7
×
1
6
[1÷(
7
9
-
2
9
)]×
5
27
.
(1)
8
7
-(
1
7
+
1
10
),
=
8
7
-
1
7
-
1
10
,
=1-
1
10
,
=
9
10
;

(2)5×
1
3
×
2
5
×
3
10
,
=(5×
2
5
)×(
3
10
×
1
3
),
=2×
1
10
,
=
1
5
;

(3)
4
7
÷6+
3
7
×
1
6
,
=
4
7
×
1
6
+
3
7
×
1
6
,
=(
4
7
+
3
7
)×
1
6
,
=1×
1
6
,
=
1
6
;

(4)[1÷(
7
9
-
2
9
)]×
5
27
,
=(1÷
5
9
)×
5
27
,
=
9
5
×
5
27
,
=
1
3
.
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