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