The document contains a series of subtraction problems with the format of the first number subtracting the second number, with each problem separated by an equals sign. The problems progress from simple to more complex and cover a wide range of numbers. At the end of each row is a repetition of "3 - 2 = 1".

1. 3 – 1 = 4 – 2 =
5 – 1 =
6 – 3 =
7 – 5 =
6 – 4 =
5 – 2 =
6 – 0 =
8 – 4 =
9 – 3 =
5 – 5 = 7 – 3 =
3 – 2 = 1

2. 2 – 2 = 4 – 3 =
6 – 1 =
7 – 5 =
8 – 1 =
4 – 4 =
6 – 3 =
7 – 6 =
9 – 4 =
8 – 3 =
7 – 1 = 1 – 0 =
3 – 2 = 1

3. 6 – 2 = 9 – 2 =
3 – 3 =
9 – 8 =
6 – 4 =
7 – 3 =
8 – 6 =
7 – 1 =
9 – 1 =
10 – 2 =
4 – 3 = 5 – 2 =
3 – 2 = 1

4. 2 – 1 = 7 – 2 =
9 – 1 =
8 – 3 =
8 – 5 =
2 – 1 =
5 – 5 =
5 – 0 =
8 – 6 =
9 – 4 =
7 – 5 = 7 – 7 =
3 – 2 = 1

5. 6 – 3 = 5 – 2 =
5 – 4 =
6 – 5 =
8 – 4 =
7 – 4 =
5 – 5 =
7 – 0 =
8 – 6 =
10 – 3
=
10 – 5
=
9 – 3 =
3 – 2 = 1

6. 10 – 1
=
10 – 2
=
7 – 1 =
6 – 4 =
10 – 3
=
7 – 6 =
9 – 2 =
6 – 1 =
8 – 1 =
10 – 9
=
8 – 5 = 8 – 3 =
3 – 2 = 1

7. 7 – 6 = 8 – 7 =
9 – 8 =
6 – 5 =
8 – 5 =
9 – 4 =
10 – 0
=
7 – 3 =
10 – 4
=
10 – 3
=
6 – 5 = 7 – 2 =
3 – 2 = 1

8. 8 – 1 = 8 – 2 =
9 – 1 =
10 – 1
=
7 – 2 =
3 – 3 =
9 – 2 =
10 – 2
=
8 – 6 =
8 – 3 =
7 – 4 = 4 – 3 =
3 – 2 = 1