1.
7 – 1 =
6
1
|
2.
14 + 15 =
29
2
|
3.
12 – 4 =
1
8
|
4.
6 – 6 =
2
0
|
5.
2 + 39 =
2
41
|
6.
1 + 34 =
35
2
|
7.
43 – 5 =
38
2
|
8.
25 + 11 =
36
2
|
9.
10 – 4 =
1
6
|
10.
14 + 19 =
33
2
|
11.
22 + 16 =
38
2
|
12.
10 + 35 =
45
2
|
13.
23 + 25 =
48
2
|
14.
46 + 3 =
49
2
|
15.
39 – 2 =
37
2
|
16.
41 – 2 =
2
39
|
17.
1 – 0 =
2
1
|
18.
19 – 2 =
17
2
|
19.
39 – 35 =
1
4
|
20.
1 – 0 =
2
1
|
1.
7 – 1 =
6
1
|
2.
14 + 15 =
29
2
|
3.
12 – 4 =
1
8
|
4.
6 – 6 =
2
0
|
5.
2 + 39 =
2
41
|
6.
1 + 34 =
35
2
|
7.
43 – 5 =
38
2
|
8.
25 + 11 =
36
2
|
9.
10 – 4 =
1
6
|
10.
14 + 19 =
33
2
|
11.
22 + 16 =
38
2
|
12.
10 + 35 =
45
2
|
13.
23 + 25 =
48
2
|
14.
46 + 3 =
49
2
|
15.
39 – 2 =
37
2
|
16.
41 – 2 =
2
39
|
17.
1 – 0 =
2
1
|
18.
19 – 2 =
17
2
|
19.
39 – 35 =
1
4
|
20.
1 – 0 =
2
1
|