11
+
40
=
4
+
6
=
55
+
25
=
31
+
30
=
1
+
1
=
3
+
25
=
7
+
42
=
91
+
1
=
5
+
4
=
20
+
69
=
14
+
81
=
46
+
11
=
37
+
58
=
54
+
30
=
52
+
27
=
25
+
1
=
21
+
76
=
51
+
5
=
1
+
20
=
2
+
10
=