10
20
13
12
18
8
15
10 + 5
1
22
17
46
6
10 + 2
42
4
25
29
28
What is "9"
19
10 + 9
39
3
30
16
9
0
10 + 3"
78
7
47
57
32
31
50
24
20 + 4
90