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