1.
16 + 33 =
3
2
49
4
|
2.
10 + 35 =
4
3
45
2
|
3.
43 – 25 =
2
3
18
4
|
4.
19 – 16 =
4
1
3
2
|
5.
27 – 6 =
4
3
2
21
|
6.
47 – 17 =
4
3
2
30
|
7.
49 + 0 =
49
4
2
3
|
8.
14 + 13 =
27
4
3
2
|
9.
11 – 1 =
2
1
3
10
|
10.
23 – 17 =
1
3
6
2
|
11.
3 + 10 =
3
13
2
1
|
12.
50 – 41 =
1
2
3
9
|
13.
18 + 0 =
18
2
4
3
|
14.
2 + 21 =
3
23
4
2
|
15.
6 – 0 =
6
1
3
2
|
16.
37 – 31 =
6
3
1
2
|
17.
19 – 17 =
3
4
1
2
|
18.
39 – 21 =
2
4
3
18
|
19.
28 + 5 =
4
2
3
33
|
20.
31 – 2 =
3
4
2
29
|
1.
16 + 33 =
3
2
49
4
|
2.
10 + 35 =
4
3
45
2
|
3.
43 – 25 =
2
3
18
4
|
4.
19 – 16 =
4
1
3
2
|
5.
27 – 6 =
4
3
2
21
|
6.
47 – 17 =
4
3
2
30
|
7.
49 + 0 =
49
4
2
3
|
8.
14 + 13 =
27
4
3
2
|
9.
11 – 1 =
2
1
3
10
|
10.
23 – 17 =
1
3
6
2
|
11.
3 + 10 =
3
13
2
1
|
12.
50 – 41 =
1
2
3
9
|
13.
18 + 0 =
18
2
4
3
|
14.
2 + 21 =
3
23
4
2
|
15.
6 – 0 =
6
1
3
2
|
16.
37 – 31 =
6
3
1
2
|
17.
19 – 17 =
3
4
1
2
|
18.
39 – 21 =
2
4
3
18
|
19.
28 + 5 =
4
2
3
33
|
20.
31 – 2 =
3
4
2
29
|