计算下面各题.25+34=12-27=35+18=56-15=56-45+310=45-(38+14)=47+114-12=-数学

题文

计算下面各题.
2
5
+
3
4
=
1
2
-
2
7
=
3
5
+
1
8
=
5
6
-
1
5
=
5
6
-
4
5
+
3
10
=
4
5
-(
3
8
+
1
4
)=
4
7
+
1
14
-
1
2
=
题型:解答题  难度:中档

答案

2
5
+
3
4
=
23
20
1
2
-
2
7
=
3
14
3
5
+
1
8
=
29
40
5
6
-
1
5