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