题目内容

用你认为简便的方法计算.
5
8
+(
22
27
-
5
8
8
9
-
1
6
+
2
3
6
7
+
1
6
-(
3
8
-
1
7
1-
1
14
-
2
7
1
4
+
2
5
)×20
25÷2
1
2
÷12.
5
8
+(
22
27
-
5
8
),
=
5
8
-
5
8
+
22
27

=
22
27


8
9
-
1
6
+
2
3

=
8
9
+
2
3
-
1
6

=
4
3
-
1
6

=
7
6


6
7
+
1
6
-(
3
8
-
1
7
),
=
6
7
+
1
6
-
3
8
+
1
7

=(
6
7
+
1
7
+
1
6
-
3
8

=1+
1
6
-
3
8

=
19
24


④1-
1
14
-
2
7

=1-(
1
14
+
2
7
),
=1-
5
14

=
9
14


⑤(
1
4
+
2
5
)×20,
=
1
4
×20+
2
5
×20,
=5+8,
=13;

⑥25÷2
1
2
÷12,
=25×
2
5
×
1
12

=
5
6
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