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