|
1.
2 – 1 =
3
1
4
2
|
2.
37 – 20 =
2
4
3
17
|
3.
9 + 10 =
3
19
4
2
|
4.
9 – 4 =
1
3
5
2
|
|
5.
7 + 9 =
4
2
16
3
|
6.
2 – 1 =
4
2
3
1
|
7.
35 – 2 =
4
3
2
33
|
8.
12 + 29 =
4
41
3
2
|
|
9.
32 – 14 =
2
4
3
18
|
10.
1 + 40 =
4
41
3
2
|
11.
43 – 27 =
4
2
16
3
|
12.
12 – 8 =
2
3
1
4
|
|
13.
4 – 1 =
4
1
2
3
|
14.
17 – 1 =
4
16
3
2
|
15.
9 – 3 =
1
6
2
3
|
16.
33 + 3 =
4
2
3
36
|
|
17.
27 + 11 =
3
4
38
2
|
18.
24 + 10 =
2
3
4
34
|
19.
31 + 6 =
3
2
37
4
|
20.
20 – 4 =
2
4
3
16
|
|
1.
2 – 1 =
3
1
4
2
|
2.
37 – 20 =
2
4
3
17
|
3.
9 + 10 =
3
19
4
2
|
4.
9 – 4 =
1
3
5
2
|
|
5.
7 + 9 =
4
2
16
3
|
6.
2 – 1 =
4
2
3
1
|
7.
35 – 2 =
4
3
2
33
|
8.
12 + 29 =
4
41
3
2
|
|
9.
32 – 14 =
2
4
3
18
|
10.
1 + 40 =
4
41
3
2
|
11.
43 – 27 =
4
2
16
3
|
12.
12 – 8 =
2
3
1
4
|
|
13.
4 – 1 =
4
1
2
3
|
14.
17 – 1 =
4
16
3
2
|
15.
9 – 3 =
1
6
2
3
|
16.
33 + 3 =
4
2
3
36
|
|
17.
27 + 11 =
3
4
38
2
|
18.
24 + 10 =
2
3
4
34
|
19.
31 + 6 =
3
2
37
4
|
20.
20 – 4 =
2
4
3
16
|