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