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