题目内容

脱式计算,能简算的要简算
2
3
+
4
5
-
3
10
                    
11
8
-( 
5
6
+
3
8
6
7
-( 
11
14
-
1
2
 )              
5
9
+
6
11
+
4
9
-
4
11
(1)
2
3
+
4
5
-
3
10

=
2
3
+(
4
5
-
3
10
),
=
2
3
+
1
2

=
7
6


(2)
11
8
-( 
5
6
+
3
8
),
=
11
8
-
3
8
-
5
6

=1-
5
6

=
1
6


(3)
6
7
-( 
11
14
-
1
2
 ),
=
6
7
-
11
14
+
1
2

=
1
14
+
1
2

=
4
7


(4)
5
9
+
6
11
+
4
9
-
4
11

=(
5
9
+
4
9
)+(
6
11
-
4
11
),
=1+
2
11

=1
2
11
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