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