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