1.
42 + 4 =
4
46
2
3
|
2.
1 – 0 =
2
1
3
4
|
3.
49 + 1 =
2
4
3
50
|
4.
20 – 19 =
4
2
1
3
|
5.
34 + 16 =
2
3
4
50
|
6.
28 – 27 =
4
1
2
3
|
7.
47 – 24 =
4
23
2
3
|
8.
14 – 5 =
2
1
9
3
|
9.
47 – 32 =
3
2
15
1
|
10.
35 – 22 =
1
3
2
13
|
11.
14 + 31 =
4
2
45
3
|
12.
40 – 39 =
2
3
1
4
|
13.
26 + 24 =
4
3
2
50
|
14.
50 – 15 =
35
4
3
2
|
15.
13 – 11 =
2
4
1
3
|
16.
8 – 4 =
2
3
1
4
|
17.
18 – 14 =
3
4
2
1
|
18.
39 – 15 =
2
3
4
24
|
19.
30 – 17 =
13
3
1
2
|
20.
5 – 0 =
1
3
5
2
|
1.
42 + 4 =
4
46
2
3
|
2.
1 – 0 =
2
1
3
4
|
3.
49 + 1 =
2
4
3
50
|
4.
20 – 19 =
4
2
1
3
|
5.
34 + 16 =
2
3
4
50
|
6.
28 – 27 =
4
1
2
3
|
7.
47 – 24 =
4
23
2
3
|
8.
14 – 5 =
2
1
9
3
|
9.
47 – 32 =
3
2
15
1
|
10.
35 – 22 =
1
3
2
13
|
11.
14 + 31 =
4
2
45
3
|
12.
40 – 39 =
2
3
1
4
|
13.
26 + 24 =
4
3
2
50
|
14.
50 – 15 =
35
4
3
2
|
15.
13 – 11 =
2
4
1
3
|
16.
8 – 4 =
2
3
1
4
|
17.
18 – 14 =
3
4
2
1
|
18.
39 – 15 =
2
3
4
24
|
19.
30 – 17 =
13
3
1
2
|
20.
5 – 0 =
1
3
5
2
|