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