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