|
1.
23 + 27 =
50
2
|
2.
25 – 13 =
12
1
|
3.
47 – 42 =
1
5
|
4.
37 – 31 =
1
6
|
|
5.
13 – 13 =
0
2
|
6.
40 + 7 =
47
2
|
7.
35 + 12 =
2
47
|
8.
36 + 7 =
2
43
|
|
9.
20 + 23 =
43
2
|
10.
45 + 2 =
2
47
|
11.
22 + 16 =
38
2
|
12.
6 + 19 =
25
2
|
|
13.
16 + 10 =
2
26
|
14.
3 + 19 =
22
2
|
15.
50 + 0 =
2
50
|
16.
1 + 8 =
9
1
|
|
17.
45 – 5 =
40
2
|
18.
11 – 2 =
1
9
|
19.
39 – 39 =
2
0
|
20.
41 + 6 =
2
47
|
|
1.
23 + 27 =
50
2
|
2.
25 – 13 =
12
1
|
3.
47 – 42 =
1
5
|
4.
37 – 31 =
1
6
|
|
5.
13 – 13 =
0
2
|
6.
40 + 7 =
47
2
|
7.
35 + 12 =
2
47
|
8.
36 + 7 =
2
43
|
|
9.
20 + 23 =
43
2
|
10.
45 + 2 =
2
47
|
11.
22 + 16 =
38
2
|
12.
6 + 19 =
25
2
|
|
13.
16 + 10 =
2
26
|
14.
3 + 19 =
22
2
|
15.
50 + 0 =
2
50
|
16.
1 + 8 =
9
1
|
|
17.
45 – 5 =
40
2
|
18.
11 – 2 =
1
9
|
19.
39 – 39 =
2
0
|
20.
41 + 6 =
2
47
|