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