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