|
1.
12 – 5 =
7
9
|
2.
8 – 4 =
4
9
|
3.
20 – 4 =
16
14
|
4.
11 – 7 =
4
3
|
|
5.
11 – 0 =
11
15
|
6.
11 – 10 =
6
1
|
7.
7 – 5 =
6
2
|
8.
20 – 20 =
2
0
|
|
9.
1 – 1 =
0
2
|
10.
17 – 0 =
5
17
|
11.
19 – 3 =
16
21
|
12.
7 – 2 =
5
9
|
|
13.
19 – 12 =
12
7
|
14.
16 – 13 =
6
3
|
15.
6 – 1 =
9
5
|
16.
6 – 2 =
1
4
|
|
17.
17 – 8 =
9
5
|
18.
2 – 2 =
0
3
|
19.
19 – 0 =
2
19
|
20.
12 – 2 =
4
10
|
|
1.
12 – 5 =
7
9
|
2.
8 – 4 =
4
9
|
3.
20 – 4 =
16
14
|
4.
11 – 7 =
4
3
|
|
5.
11 – 0 =
11
15
|
6.
11 – 10 =
6
1
|
7.
7 – 5 =
6
2
|
8.
20 – 20 =
2
0
|
|
9.
1 – 1 =
0
2
|
10.
17 – 0 =
5
17
|
11.
19 – 3 =
16
21
|
12.
7 – 2 =
5
9
|
|
13.
19 – 12 =
12
7
|
14.
16 – 13 =
6
3
|
15.
6 – 1 =
9
5
|
16.
6 – 2 =
1
4
|
|
17.
17 – 8 =
9
5
|
18.
2 – 2 =
0
3
|
19.
19 – 0 =
2
19
|
20.
12 – 2 =
4
10
|