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