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