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