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