17
+
15
=
5
+
7
=
23
+
10
=
10
+
0
=
4
+
28
=
62
+
3
=
45
+
21
=
24
+
42
=
23
+
46
=
13
+
81
=
56
+
18
=
27
+
32
=
2
+
29
=
10
+
14
=
61
+
14
=
14
+
75
=
11
+
45
=
4
+
45
=
50
+
41
=
6
+
32
=