|
1.
2 – 0 =
2
1
|
2.
33 – 9 =
2
24
|
3.
23 – 7 =
16
2
|
4.
7 + 37 =
44
2
|
|
5.
49 – 41 =
1
8
|
6.
10 – 4 =
1
6
|
7.
20 – 3 =
17
2
|
8.
47 – 19 =
2
28
|
|
9.
35 – 9 =
26
2
|
10.
22 + 13 =
35
2
|
11.
25 + 14 =
2
39
|
12.
11 + 10 =
2
21
|
|
13.
17 + 17 =
34
2
|
14.
49 – 14 =
35
2
|
15.
12 + 5 =
17
2
|
16.
38 – 21 =
2
17
|
|
17.
20 + 21 =
2
41
|
18.
31 + 0 =
2
31
|
19.
46 – 9 =
2
37
|
20.
1 + 11 =
12
1
|
|
1.
2 – 0 =
2
1
|
2.
33 – 9 =
2
24
|
3.
23 – 7 =
16
2
|
4.
7 + 37 =
44
2
|
|
5.
49 – 41 =
1
8
|
6.
10 – 4 =
1
6
|
7.
20 – 3 =
17
2
|
8.
47 – 19 =
2
28
|
|
9.
35 – 9 =
26
2
|
10.
22 + 13 =
35
2
|
11.
25 + 14 =
2
39
|
12.
11 + 10 =
2
21
|
|
13.
17 + 17 =
34
2
|
14.
49 – 14 =
35
2
|
15.
12 + 5 =
17
2
|
16.
38 – 21 =
2
17
|
|
17.
20 + 21 =
2
41
|
18.
31 + 0 =
2
31
|
19.
46 – 9 =
2
37
|
20.
1 + 11 =
12
1
|