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