|
1.
3 + 31 =
4
34
2
3
|
2.
10 + 35 =
3
2
4
45
|
3.
26 – 24 =
4
1
2
3
|
4.
27 – 12 =
15
3
2
1
|
|
5.
39 + 4 =
3
2
43
4
|
6.
42 – 6 =
36
2
4
3
|
7.
24 – 23 =
3
2
4
1
|
8.
1 + 47 =
3
2
48
4
|
|
9.
39 – 37 =
1
3
2
4
|
10.
20 – 12 =
3
8
2
1
|
11.
41 + 7 =
4
48
3
2
|
12.
32 + 5 =
3
37
2
4
|
|
13.
20 + 1 =
3
4
21
2
|
14.
7 + 26 =
2
3
33
4
|
15.
24 + 11 =
4
2
35
3
|
16.
34 – 15 =
2
19
4
3
|
|
17.
41 + 7 =
48
2
3
4
|
18.
41 + 5 =
4
2
46
3
|
19.
28 – 0 =
4
28
2
3
|
20.
9 – 4 =
3
1
2
5
|
|
1.
3 + 31 =
4
34
2
3
|
2.
10 + 35 =
3
2
4
45
|
3.
26 – 24 =
4
1
2
3
|
4.
27 – 12 =
15
3
2
1
|
|
5.
39 + 4 =
3
2
43
4
|
6.
42 – 6 =
36
2
4
3
|
7.
24 – 23 =
3
2
4
1
|
8.
1 + 47 =
3
2
48
4
|
|
9.
39 – 37 =
1
3
2
4
|
10.
20 – 12 =
3
8
2
1
|
11.
41 + 7 =
4
48
3
2
|
12.
32 + 5 =
3
37
2
4
|
|
13.
20 + 1 =
3
4
21
2
|
14.
7 + 26 =
2
3
33
4
|
15.
24 + 11 =
4
2
35
3
|
16.
34 – 15 =
2
19
4
3
|
|
17.
41 + 7 =
48
2
3
4
|
18.
41 + 5 =
4
2
46
3
|
19.
28 – 0 =
4
28
2
3
|
20.
9 – 4 =
3
1
2
5
|