1.
20 – 9 =
1
11
|
2.
8 + 11 =
2
19
|
3.
35 – 31 =
4
1
|
4.
30 + 17 =
2
47
|
5.
41 + 7 =
2
48
|
6.
16 + 26 =
42
2
|
7.
27 – 12 =
15
1
|
8.
33 + 4 =
2
37
|
9.
48 – 8 =
40
2
|
10.
32 + 10 =
42
2
|
11.
17 + 27 =
2
44
|
12.
6 + 18 =
2
24
|
13.
14 + 6 =
2
20
|
14.
31 + 10 =
2
41
|
15.
50 – 41 =
1
9
|
16.
27 + 11 =
2
38
|
17.
19 – 7 =
12
1
|
18.
29 + 19 =
48
2
|
19.
41 – 29 =
12
1
|
20.
38 + 5 =
2
43
|
1.
20 – 9 =
1
11
|
2.
8 + 11 =
2
19
|
3.
35 – 31 =
4
1
|
4.
30 + 17 =
2
47
|
5.
41 + 7 =
2
48
|
6.
16 + 26 =
42
2
|
7.
27 – 12 =
15
1
|
8.
33 + 4 =
2
37
|
9.
48 – 8 =
40
2
|
10.
32 + 10 =
42
2
|
11.
17 + 27 =
2
44
|
12.
6 + 18 =
2
24
|
13.
14 + 6 =
2
20
|
14.
31 + 10 =
2
41
|
15.
50 – 41 =
1
9
|
16.
27 + 11 =
2
38
|
17.
19 – 7 =
12
1
|
18.
29 + 19 =
48
2
|
19.
41 – 29 =
12
1
|
20.
38 + 5 =
2
43
|