题目内容

脱式计算
275+25÷5-100
76×1.04+1.04×25-1.04
7
12
-
3
8
)×24-
5
9

0.75×
5
9
+
3
4
×
4
9
(1)275+25÷5-100,
=275+5-100,
=280-100,
=180;

(2)76×1.04+1.04×25-1.04,
=(76+25-1)×1.04,
=100×1.04,
=104;

(3)(
7
12
-
3
8
)×24-
5
9

=
7
12
×24-
3
8
×24-
5
9

=14-9-
5
9

=5-
5
9

=4
4
9


(4)0.75×
5
9
+
3
4
×
4
9

=
3
4
×(
5
9
+
4
9
),
=
3
4
×1,
=
3
4
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