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