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