1.
46 + 4 =
2
50
|
2.
4 – 1 =
3
1
|
3.
50 + 0 =
50
2
|
4.
19 + 19 =
38
2
|
5.
40 + 4 =
44
2
|
6.
13 + 31 =
2
44
|
7.
9 + 22 =
31
2
|
8.
5 – 4 =
2
1
|
9.
30 + 19 =
2
49
|
10.
37 + 7 =
2
44
|
11.
23 + 25 =
2
48
|
12.
21 + 2 =
2
23
|
13.
34 + 10 =
44
2
|
14.
26 – 6 =
20
2
|
15.
40 + 0 =
40
2
|
16.
27 + 9 =
36
2
|
17.
35 – 27 =
1
8
|
18.
35 – 20 =
1
15
|
19.
29 – 3 =
2
26
|
20.
11 + 15 =
26
2
|
1.
46 + 4 =
2
50
|
2.
4 – 1 =
3
1
|
3.
50 + 0 =
50
2
|
4.
19 + 19 =
38
2
|
5.
40 + 4 =
44
2
|
6.
13 + 31 =
2
44
|
7.
9 + 22 =
31
2
|
8.
5 – 4 =
2
1
|
9.
30 + 19 =
2
49
|
10.
37 + 7 =
2
44
|
11.
23 + 25 =
2
48
|
12.
21 + 2 =
2
23
|
13.
34 + 10 =
44
2
|
14.
26 – 6 =
20
2
|
15.
40 + 0 =
40
2
|
16.
27 + 9 =
36
2
|
17.
35 – 27 =
1
8
|
18.
35 – 20 =
1
15
|
19.
29 – 3 =
2
26
|
20.
11 + 15 =
26
2
|