1.
29 – 20 =
3
2
1
9
|
2.
12 + 12 =
2
24
4
3
|
3.
23 + 5 =
2
4
28
3
|
4.
31 – 12 =
4
2
3
19
|
5.
33 – 6 =
3
27
4
2
|
6.
43 – 33 =
1
3
2
10
|
7.
35 – 13 =
2
3
22
4
|
8.
40 – 37 =
3
4
1
2
|
9.
49 – 6 =
3
4
2
43
|
10.
7 + 17 =
3
24
2
4
|
11.
4 – 3 =
4
3
2
1
|
12.
37 – 7 =
2
30
3
4
|
13.
37 – 24 =
1
13
2
3
|
14.
31 – 4 =
4
3
27
2
|
15.
34 + 12 =
3
2
4
46
|
16.
40 – 0 =
2
4
3
40
|
17.
3 + 6 =
3
2
1
9
|
18.
13 + 12 =
2
25
3
4
|
19.
23 – 15 =
2
1
8
3
|
20.
18 + 2 =
4
2
3
20
|
1.
29 – 20 =
3
2
1
9
|
2.
12 + 12 =
2
24
4
3
|
3.
23 + 5 =
2
4
28
3
|
4.
31 – 12 =
4
2
3
19
|
5.
33 – 6 =
3
27
4
2
|
6.
43 – 33 =
1
3
2
10
|
7.
35 – 13 =
2
3
22
4
|
8.
40 – 37 =
3
4
1
2
|
9.
49 – 6 =
3
4
2
43
|
10.
7 + 17 =
3
24
2
4
|
11.
4 – 3 =
4
3
2
1
|
12.
37 – 7 =
2
30
3
4
|
13.
37 – 24 =
1
13
2
3
|
14.
31 – 4 =
4
3
27
2
|
15.
34 + 12 =
3
2
4
46
|
16.
40 – 0 =
2
4
3
40
|
17.
3 + 6 =
3
2
1
9
|
18.
13 + 12 =
2
25
3
4
|
19.
23 – 15 =
2
1
8
3
|
20.
18 + 2 =
4
2
3
20
|