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