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