(Blank)
9
10 + 6
16
6x6
36
10 + 10
20
40 + 22
62
7x7
49
5-0
5
4-9
trick question you can't do this
20 + 1
21
20 + 12
32
12x1
12
26 - 4
22
33-5
28
34 + 20
54
75 + 36
111
9x11
99
43-2
41
29-3
26
115 + 40
155
153 + 10
163
50x2
100
75-5
70
44-45
-1