adding
50+50
100
30 - 10
20
100 / 2
50
5 x 5
25
5^2
25
400+20
420
200 - 100
100
1000 / 2
500
500 x 500
1000
6^²
36
70+40
110
500 - 400
100
2000 / 2
1000
400 x 2
800
7^2
49
45+33
78
1000 - 500
500
4000 / 2
2000
80 x 20
1,600
8^2
64
30+5
35
100 - 50
50
800 / 2
400
300 x 200
500
5^5
3,125