1.
43 + 4 =
4
47
2
3
|
2.
2 + 25 =
27
4
2
3
|
3.
47 – 1 =
2
4
46
3
|
4.
44 – 19 =
2
25
3
4
|
5.
22 – 0 =
22
4
3
2
|
6.
18 – 4 =
14
1
2
3
|
7.
50 – 29 =
3
4
21
2
|
8.
20 + 0 =
4
2
20
3
|
9.
19 – 15 =
3
1
2
4
|
10.
2 + 41 =
43
3
4
2
|
11.
24 + 7 =
2
3
4
31
|
12.
11 + 6 =
4
17
3
2
|
13.
45 – 11 =
4
2
3
34
|
14.
16 + 1 =
3
2
17
4
|
15.
49 + 1 =
3
50
2
4
|
16.
43 – 20 =
23
4
3
2
|
17.
43 – 34 =
3
2
9
1
|
18.
46 – 17 =
3
4
29
2
|
19.
28 + 14 =
4
2
3
42
|
20.
29 – 6 =
4
2
23
3
|
1.
43 + 4 =
4
47
2
3
|
2.
2 + 25 =
27
4
2
3
|
3.
47 – 1 =
2
4
46
3
|
4.
44 – 19 =
2
25
3
4
|
5.
22 – 0 =
22
4
3
2
|
6.
18 – 4 =
14
1
2
3
|
7.
50 – 29 =
3
4
21
2
|
8.
20 + 0 =
4
2
20
3
|
9.
19 – 15 =
3
1
2
4
|
10.
2 + 41 =
43
3
4
2
|
11.
24 + 7 =
2
3
4
31
|
12.
11 + 6 =
4
17
3
2
|
13.
45 – 11 =
4
2
3
34
|
14.
16 + 1 =
3
2
17
4
|
15.
49 + 1 =
3
50
2
4
|
16.
43 – 20 =
23
4
3
2
|
17.
43 – 34 =
3
2
9
1
|
18.
46 – 17 =
3
4
29
2
|
19.
28 + 14 =
4
2
3
42
|
20.
29 – 6 =
4
2
23
3
|