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