题目内容

5.72-0.68-1.32
256+99×256
3
10
+
53
100
+
7
100

2210÷﹙29+36﹚×35.
(1)5.72-0.68-1.32
=5.72-(0.68+1.32),
=5.72-2,
=3.72;

(2)256+99×256
=256×(99+1),
=256×100,
=25600;

(3)
1
10
+
53
100
+
7
100

=
1
10
+(+
53
100
+
7
100
),
=
1
10
+
6
10

=
7
10


(4)2210÷﹙29+36﹚×35
=2210÷65×35,
=34×35,
=1190.
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