题目内容

下列各题怎样简便就怎样计算.
0.125×25×32              
3
5
÷
5
6
×
5
18
20
17
-(
3
17
+
2
3
)            
1
4
+
4
5
-
7
10
)×20.
(1)0.125×25×32,
=(0.125×8)×(4×25),
=1×100,
=100;

(2)
3
5
÷
5
6
×
5
18

=
3
5
×
6
5
×
5
18

=
1
5


(3)
20
17
-(
3
17
+
2
3
),
=
20
17
-
3
17
-
2
3

=1-
2
3

=
1
3


(4)(
1
4
+
4
5
-
7
10
)×20,
=
1
4
×
20+
4
5
×
20-
7
10
×
20,
=5+16-14,
=7.
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