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