|
1.
21 – 11 =
1
3
2
10
|
2.
30 – 22 =
1
3
8
2
|
3.
13 + 29 =
3
2
4
42
|
4.
46 – 41 =
1
3
2
5
|
|
5.
15 + 22 =
37
4
2
3
|
6.
30 + 15 =
2
4
3
45
|
7.
20 + 19 =
2
3
39
4
|
8.
41 + 6 =
3
47
2
4
|
|
9.
11 – 2 =
3
1
2
9
|
10.
47 + 1 =
3
2
4
48
|
11.
47 – 30 =
4
3
17
2
|
12.
1 + 40 =
4
41
2
3
|
|
13.
15 + 1 =
2
3
4
16
|
14.
27 + 4 =
3
31
4
2
|
15.
27 – 12 =
1
3
2
15
|
16.
50 – 17 =
2
33
4
3
|
|
17.
16 + 30 =
4
46
2
3
|
18.
3 + 16 =
3
19
2
4
|
19.
21 + 0 =
2
21
4
3
|
20.
11 + 33 =
2
4
3
44
|
|
1.
21 – 11 =
1
3
2
10
|
2.
30 – 22 =
1
3
8
2
|
3.
13 + 29 =
3
2
4
42
|
4.
46 – 41 =
1
3
2
5
|
|
5.
15 + 22 =
37
4
2
3
|
6.
30 + 15 =
2
4
3
45
|
7.
20 + 19 =
2
3
39
4
|
8.
41 + 6 =
3
47
2
4
|
|
9.
11 – 2 =
3
1
2
9
|
10.
47 + 1 =
3
2
4
48
|
11.
47 – 30 =
4
3
17
2
|
12.
1 + 40 =
4
41
2
3
|
|
13.
15 + 1 =
2
3
4
16
|
14.
27 + 4 =
3
31
4
2
|
15.
27 – 12 =
1
3
2
15
|
16.
50 – 17 =
2
33
4
3
|
|
17.
16 + 30 =
4
46
2
3
|
18.
3 + 16 =
3
19
2
4
|
19.
21 + 0 =
2
21
4
3
|
20.
11 + 33 =
2
4
3
44
|