5 x 5
25
3 x 6
18
2 x 7
14
20-10
10
80-2
78
50+30
80
25-4
21
10+3
13
70-9
61
4 x 4
16
7+8
15
5+17
22
100-8
92
30+20
50
50+8
58
100-40
60