23
+
46
=
2
+
2
=
1
+
4
=
3
+
9
=
13
+
50
=
20
+
52
=
16
+
41
=
18
+
42
=
11
+
41
=
10
+
2
=
1
+
85
=
28
+
48
=
18
+
20
=
4
+
59
=
15
+
50
=
20
+
77
=
68
+
8
=
17
+
9
=
2
+
1
=
25
+
62
=