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