|
1.
4 + 20 =
24
4
3
2
|
2.
25 – 21 =
4
3
1
2
|
3.
38 – 19 =
19
4
3
2
|
4.
2 – 0 =
1
2
3
4
|
|
5.
7 + 23 =
30
2
3
4
|
6.
13 – 2 =
3
1
2
11
|
7.
30 + 20 =
4
3
50
2
|
8.
46 + 0 =
46
3
4
2
|
|
9.
19 – 3 =
16
4
2
3
|
10.
40 – 40 =
0
4
2
3
|
11.
26 + 13 =
4
39
2
3
|
12.
23 – 2 =
21
2
4
3
|
|
13.
30 + 12 =
2
4
3
42
|
14.
49 + 1 =
50
3
2
4
|
15.
39 – 33 =
2
6
1
3
|
16.
46 + 1 =
3
2
47
4
|
|
17.
28 – 17 =
1
3
2
11
|
18.
30 – 2 =
4
28
2
3
|
19.
28 – 4 =
2
24
3
4
|
20.
50 – 29 =
4
21
2
3
|
|
1.
4 + 20 =
24
4
3
2
|
2.
25 – 21 =
4
3
1
2
|
3.
38 – 19 =
19
4
3
2
|
4.
2 – 0 =
1
2
3
4
|
|
5.
7 + 23 =
30
2
3
4
|
6.
13 – 2 =
3
1
2
11
|
7.
30 + 20 =
4
3
50
2
|
8.
46 + 0 =
46
3
4
2
|
|
9.
19 – 3 =
16
4
2
3
|
10.
40 – 40 =
0
4
2
3
|
11.
26 + 13 =
4
39
2
3
|
12.
23 – 2 =
21
2
4
3
|
|
13.
30 + 12 =
2
4
3
42
|
14.
49 + 1 =
50
3
2
4
|
15.
39 – 33 =
2
6
1
3
|
16.
46 + 1 =
3
2
47
4
|
|
17.
28 – 17 =
1
3
2
11
|
18.
30 – 2 =
4
28
2
3
|
19.
28 – 4 =
2
24
3
4
|
20.
50 – 29 =
4
21
2
3
|