题目内容

(1)(0.125×8-0.5)×4. (2)
9
20
÷6+
1
6
×
1
20
. (3)
5
6
×0.25+
1
4
×
1
6
. (4)28×
5
29
(1)(0.125×8-0.5)×4,
=(1-0.5)×4,
=0.5×4,
=2;

(2)
9
20
÷6+
1
6
×
1
20

=
9
20
×
1
6
+
1
6
×
1
20

=
1
6
×(
9
20
+
1
20
),
=
1
6
×
1
2

=
1
12



(3)
5
6
×0.25+
1
4
×
1
6

=0.25×(
5
6
+
1
6
),
=0.25×1,
=0.25;

(4)28×
5
29

=(29-1)×
5
29

=29×
5
29
-1×
5
29

=5-
5
29

=4
24
29
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