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