1.
34 + 15 =
2
49
|
2.
7 + 43 =
50
2
|
3.
8 + 14 =
2
22
|
4.
50 + 0 =
50
2
|
5.
15 – 14 =
1
2
|
6.
20 – 18 =
1
2
|
7.
35 – 20 =
1
15
|
8.
46 + 4 =
2
50
|
9.
28 + 3 =
31
2
|
10.
14 + 32 =
46
2
|
11.
39 + 11 =
2
50
|
12.
9 – 9 =
2
0
|
13.
31 – 31 =
2
0
|
14.
2 + 33 =
2
35
|
15.
36 + 2 =
38
2
|
16.
16 + 24 =
2
40
|
17.
50 – 44 =
1
6
|
18.
42 – 16 =
2
26
|
19.
9 + 30 =
39
2
|
20.
47 – 22 =
25
2
|
1.
34 + 15 =
2
49
|
2.
7 + 43 =
50
2
|
3.
8 + 14 =
2
22
|
4.
50 + 0 =
50
2
|
5.
15 – 14 =
1
2
|
6.
20 – 18 =
1
2
|
7.
35 – 20 =
1
15
|
8.
46 + 4 =
2
50
|
9.
28 + 3 =
31
2
|
10.
14 + 32 =
46
2
|
11.
39 + 11 =
2
50
|
12.
9 – 9 =
2
0
|
13.
31 – 31 =
2
0
|
14.
2 + 33 =
2
35
|
15.
36 + 2 =
38
2
|
16.
16 + 24 =
2
40
|
17.
50 – 44 =
1
6
|
18.
42 – 16 =
2
26
|
19.
9 + 30 =
39
2
|
20.
47 – 22 =
25
2
|