Pengurangan BM1

3 3

1 1

______ -

5 7

1 4

______ -

6 8

1 6

______ -

4 9

1 5

______ -

4 4

2 1

______ -

5 4

1 4

______ -

3 9

1 3

______ -

2 7

1 5

______ -

5 8

3 1

______ -

4 9

2 1

______ -