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