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