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