|
1.
9 – 1 =
1
8
|
2.
14 + 3 =
2
17
|
3.
21 + 1 =
22
2
|
4.
5 – 1 =
1
4
|
|
5.
11 – 4 =
7
1
|
6.
11 + 6 =
17
2
|
7.
3 + 6 =
9
1
|
8.
10 + 21 =
2
31
|
|
9.
13 – 0 =
1
13
|
10.
22 + 10 =
2
32
|
11.
36 + 5 =
2
41
|
12.
12 – 11 =
1
2
|
|
13.
27 – 15 =
12
1
|
14.
21 – 21 =
0
2
|
15.
17 – 6 =
1
11
|
16.
38 + 2 =
2
40
|
|
17.
42 – 20 =
22
2
|
18.
25 + 5 =
2
30
|
19.
5 + 7 =
1
12
|
20.
37 + 0 =
2
37
|
|
1.
9 – 1 =
1
8
|
2.
14 + 3 =
2
17
|
3.
21 + 1 =
22
2
|
4.
5 – 1 =
1
4
|
|
5.
11 – 4 =
7
1
|
6.
11 + 6 =
17
2
|
7.
3 + 6 =
9
1
|
8.
10 + 21 =
2
31
|
|
9.
13 – 0 =
1
13
|
10.
22 + 10 =
2
32
|
11.
36 + 5 =
2
41
|
12.
12 – 11 =
1
2
|
|
13.
27 – 15 =
12
1
|
14.
21 – 21 =
0
2
|
15.
17 – 6 =
1
11
|
16.
38 + 2 =
2
40
|
|
17.
42 – 20 =
22
2
|
18.
25 + 5 =
2
30
|
19.
5 + 7 =
1
12
|
20.
37 + 0 =
2
37
|