16-8=8
10-2=8
9-1=8
10-7=3
8-5=3
7-4=3
15-8=7
10-3=7
9-2=7
10 - 2 = 8
16 - 8 = 8
14 - 6 = 8
5 - 2 = 3
7 - 4 = 3
9 - 6 = 3
15 - 8 = 7
20 - 13 = 7
9 - 2 = 7
16-8=8
10-2=8
9-1=8
10-7=3
8-5=3
7-4=3
15-8=7
10-3=7
9-2=7
10 - 2 = 8
16 - 8 = 8
14 - 6 = 8
5 - 2 = 3
7 - 4 = 3
9 - 6 = 3
15 - 8 = 7
20 - 13 = 7
9 - 2 = 7