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