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