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