23
+
16
=
9
+
5
=
3
+
20
=
20
+
11
=
25
+
49
=
35
+
64
=
20
+
75
=
57
+
9
=
15
+
3
=
2
+
13
=
1
+
26
=
4
+
62
=
1
+
0
=
15
+
85
=
12
+
69
=
53
+
22
=
2
+
6
=
37
+
45
=
26
+
21
=
15
+
16
=