|
1.
50 + 0 =
50
2
|
2.
1 – 1 =
2
0
|
3.
10 + 23 =
2
33
|
4.
24 + 19 =
2
43
|
|
5.
47 + 0 =
47
2
|
6.
18 + 21 =
2
39
|
7.
23 + 2 =
2
25
|
8.
12 + 2 =
14
1
|
|
9.
30 + 0 =
2
30
|
10.
1 + 27 =
2
28
|
11.
26 – 20 =
6
1
|
12.
2 – 0 =
1
2
|
|
13.
9 + 26 =
2
35
|
14.
33 – 1 =
2
32
|
15.
30 – 23 =
1
7
|
16.
38 + 8 =
2
46
|
|
17.
37 – 21 =
16
2
|
18.
43 – 20 =
23
2
|
19.
20 – 3 =
17
2
|
20.
8 + 6 =
1
14
|
|
1.
50 + 0 =
50
2
|
2.
1 – 1 =
2
0
|
3.
10 + 23 =
2
33
|
4.
24 + 19 =
2
43
|
|
5.
47 + 0 =
47
2
|
6.
18 + 21 =
2
39
|
7.
23 + 2 =
2
25
|
8.
12 + 2 =
14
1
|
|
9.
30 + 0 =
2
30
|
10.
1 + 27 =
2
28
|
11.
26 – 20 =
6
1
|
12.
2 – 0 =
1
2
|
|
13.
9 + 26 =
2
35
|
14.
33 – 1 =
2
32
|
15.
30 – 23 =
1
7
|
16.
38 + 8 =
2
46
|
|
17.
37 – 21 =
16
2
|
18.
43 – 20 =
23
2
|
19.
20 – 3 =
17
2
|
20.
8 + 6 =
1
14
|