计算下面各题.910-45+2312-(34-18)56-(12+14)27+59+5756+18+3829+(34-12).-数学

58,
=-
1
8


(3)
5
6
-(
1
2
+
1
4
),
=
5
6
-
3
4

=
1
12


(4)
2
7
+
5
9
+
5
7

=
2
7
+
5
7
+
5
9

=1+
5
9

=1
5
9


(5)
5
6
+
1
8
+
3
8

=
5
6
+(
1
8
+
3
8
),
=
5
6
+
1
2

=
4
3


(6)
2
9
+(
3
4
-
1
2
),
=
2
9
+
1
4

=
17
36

据专家权威分析,试题“计算下面各题.910-45+2312-(34-18)56-(12+14)27+59+5756+18+3829..”主要考查你对  分数的加法和减法(异分母)  等考点的理解。关于这些考点的“档案”如下: