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