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