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