|
1.
13 – 0 =
2
3
1
13
|
2.
2 + 18 =
4
20
3
2
|
3.
28 – 18 =
1
3
10
2
|
4.
14 + 17 =
2
31
4
3
|
|
5.
17 + 18 =
3
35
2
4
|
6.
31 + 16 =
2
47
4
3
|
7.
23 – 2 =
4
21
2
3
|
8.
41 – 10 =
4
3
2
31
|
|
9.
38 + 4 =
2
3
4
42
|
10.
28 + 11 =
3
2
4
39
|
11.
5 – 4 =
3
4
1
2
|
12.
4 – 4 =
3
4
0
2
|
|
13.
30 + 18 =
2
48
4
3
|
14.
20 – 20 =
4
2
0
3
|
15.
40 + 6 =
46
4
2
3
|
16.
48 – 20 =
4
2
28
3
|
|
17.
34 + 3 =
2
3
37
4
|
18.
41 + 3 =
4
3
44
2
|
19.
26 + 21 =
3
2
47
4
|
20.
14 + 33 =
4
3
47
2
|
|
1.
13 – 0 =
2
3
1
13
|
2.
2 + 18 =
4
20
3
2
|
3.
28 – 18 =
1
3
10
2
|
4.
14 + 17 =
2
31
4
3
|
|
5.
17 + 18 =
3
35
2
4
|
6.
31 + 16 =
2
47
4
3
|
7.
23 – 2 =
4
21
2
3
|
8.
41 – 10 =
4
3
2
31
|
|
9.
38 + 4 =
2
3
4
42
|
10.
28 + 11 =
3
2
4
39
|
11.
5 – 4 =
3
4
1
2
|
12.
4 – 4 =
3
4
0
2
|
|
13.
30 + 18 =
2
48
4
3
|
14.
20 – 20 =
4
2
0
3
|
15.
40 + 6 =
46
4
2
3
|
16.
48 – 20 =
4
2
28
3
|
|
17.
34 + 3 =
2
3
37
4
|
18.
41 + 3 =
4
3
44
2
|
19.
26 + 21 =
3
2
47
4
|
20.
14 + 33 =
4
3
47
2
|