1.
38 – 15 =
2
23
|
2.
22 + 4 =
2
26
|
3.
39 + 1 =
2
40
|
4.
29 + 9 =
2
38
|
5.
12 + 3 =
15
1
|
6.
26 + 7 =
2
33
|
7.
42 + 8 =
50
2
|
8.
17 + 21 =
2
38
|
9.
32 + 10 =
42
2
|
10.
20 – 0 =
2
20
|
11.
35 – 16 =
19
2
|
12.
43 + 3 =
46
2
|
13.
44 – 13 =
31
2
|
14.
42 – 36 =
6
1
|
15.
32 – 10 =
22
2
|
16.
46 – 36 =
1
10
|
17.
11 + 33 =
2
44
|
18.
10 + 18 =
28
2
|
19.
15 – 5 =
10
1
|
20.
28 + 12 =
2
40
|
1.
38 – 15 =
2
23
|
2.
22 + 4 =
2
26
|
3.
39 + 1 =
2
40
|
4.
29 + 9 =
2
38
|
5.
12 + 3 =
15
1
|
6.
26 + 7 =
2
33
|
7.
42 + 8 =
50
2
|
8.
17 + 21 =
2
38
|
9.
32 + 10 =
42
2
|
10.
20 – 0 =
2
20
|
11.
35 – 16 =
19
2
|
12.
43 + 3 =
46
2
|
13.
44 – 13 =
31
2
|
14.
42 – 36 =
6
1
|
15.
32 – 10 =
22
2
|
16.
46 – 36 =
1
10
|
17.
11 + 33 =
2
44
|
18.
10 + 18 =
28
2
|
19.
15 – 5 =
10
1
|
20.
28 + 12 =
2
40
|