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