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