1.
3 – 3 =
0
3
|
2.
9 – 6 =
3
8
|
3.
12 – 1 =
11
8
|
4.
4 – 2 =
2
3
|
5.
7 – 7 =
0
3
|
6.
12 – 1 =
11
4
|
7.
12 – 11 =
1
6
|
8.
2 – 2 =
0
2
|
9.
7 – 3 =
7
4
|
10.
12 – 4 =
8
2
|
11.
8 – 1 =
7
11
|
12.
1 – 0 =
1
4
|
13.
7 – 0 =
12
7
|
14.
9 – 4 =
6
5
|
15.
2 – 0 =
2
4
|
16.
3 – 0 =
7
3
|
17.
8 – 8 =
1
0
|
18.
5 – 1 =
1
4
|
19.
3 – 1 =
3
2
|
20.
2 – 2 =
5
0
|
1.
3 – 3 =
0
3
|
2.
9 – 6 =
3
8
|
3.
12 – 1 =
11
8
|
4.
4 – 2 =
2
3
|
5.
7 – 7 =
0
3
|
6.
12 – 1 =
11
4
|
7.
12 – 11 =
1
6
|
8.
2 – 2 =
0
2
|
9.
7 – 3 =
7
4
|
10.
12 – 4 =
8
2
|
11.
8 – 1 =
7
11
|
12.
1 – 0 =
1
4
|
13.
7 – 0 =
12
7
|
14.
9 – 4 =
6
5
|
15.
2 – 0 =
2
4
|
16.
3 – 0 =
7
3
|
17.
8 – 8 =
1
0
|
18.
5 – 1 =
1
4
|
19.
3 – 1 =
3
2
|
20.
2 – 2 =
5
0
|