1
+
3
=
1
+
7
=
15
+
50
=
8
+
11
=
15
+
8
=
65
+
7
=
2
+
50
=
75
+
9
=
7
+
6
=
30
+
8
=
37
+
51
=
7
+
1
=
23
+
30
=
11
+
51
=
1
+
0
=
55
+
34
=
9
+
7
=
16
+
11
=
34
+
11
=
67
+
27
=