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