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