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