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