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