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