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