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