
5 – 1 = 4 5 – 2 = 3

5 – 3 = 2 5 – 4 = 1

4 + 1 = 5 3 + 2 = 5
1 + 4 = 5 2 + 3 = 5
5 – 1 = 4 5 – 2 = 3
5 – 4 = 1 5 – 3 = 2

5 – 1 = 4 5 – 2 = 3

5 – 3 = 2 5 – 4 = 1

4 + 1 = 5 3 + 2 = 5
1 + 4 = 5 2 + 3 = 5
5 – 1 = 4 5 – 2 = 3
5 – 4 = 1 5 – 3 = 2