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