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