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