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