math
50+50
100
60+60
120
19 times 5
95
15 times 15
225
50 times 59
2,950
8 times 8
64
5 times 5
25
52 times 52
2,704
80 times 80
6,409
9 times 9
81
67+32
99
6+6
12
12+12
24
55-55
0
45-34
11
80-46
34
92-56
36
92-54
38
90-399
210
56-23
33
67-68
1
36-56
20
23-89
66
84-84
0
6-6
O