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