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