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