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