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