题目内容

计算下面各题(能简便计算的要简便计算).
(1)12×(124-85)÷26
(2)5.5×17.3+6.7×5.5
(3)
7
13
+
5
6
+
6
13
+
1
6

(4)1-
3
13
÷
9
26
-
1
5
(1)12×(124-85)÷26
=12×39÷26,
=468÷26,
=18;
(2)5.5×17.3+6.7×5.5
=(17.3+6.7)×5.5,
=24×5.5,
=132;
(3)
7
13
+
5
6
+
6
13
+
1
6

=(
7
13
+
6
13
)+(
5
6
+
1
6
),
=1+1,
=2;
(4)1-
3
13
÷
9
26
-
1
5

=1-
2
3
-
1
5

=
1
3
-
1
5

=
2
15
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