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