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