7
+
5
=
18
+
31
=
61
+
19
=
82
+
9
=
7
+
60
=
9
+
13
=
7
+
73
=
37
+
17
=
87
+
1
=
21
+
38
=
5
+
52
=
18
+
51
=
11
+
58
=
50
+
23
=
14
+
3
=
52
+
43
=
6
+
1
=
23
+
41
=
8
+
64
=
4
+
2
=