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