|
1.
8 – 8 =
2
3
4
0
|
2.
29 + 10 =
4
39
2
3
|
3.
22 – 20 =
1
3
4
2
|
4.
16 + 5 =
3
21
4
2
|
|
5.
40 – 21 =
2
3
4
19
|
6.
48 – 1 =
2
47
4
3
|
7.
49 + 0 =
49
4
3
2
|
8.
18 – 18 =
4
0
3
2
|
|
9.
20 + 16 =
3
4
36
2
|
10.
29 + 10 =
3
2
4
39
|
11.
43 + 7 =
3
50
4
2
|
12.
21 + 16 =
4
3
2
37
|
|
13.
44 – 19 =
2
4
25
3
|
14.
46 – 31 =
2
1
15
3
|
15.
18 – 16 =
3
1
4
2
|
16.
35 – 1 =
4
3
34
2
|
|
17.
12 – 1 =
1
3
11
2
|
18.
35 – 17 =
2
4
18
3
|
19.
46 + 3 =
49
2
4
3
|
20.
49 + 1 =
4
50
3
2
|
|
1.
8 – 8 =
2
3
4
0
|
2.
29 + 10 =
4
39
2
3
|
3.
22 – 20 =
1
3
4
2
|
4.
16 + 5 =
3
21
4
2
|
|
5.
40 – 21 =
2
3
4
19
|
6.
48 – 1 =
2
47
4
3
|
7.
49 + 0 =
49
4
3
2
|
8.
18 – 18 =
4
0
3
2
|
|
9.
20 + 16 =
3
4
36
2
|
10.
29 + 10 =
3
2
4
39
|
11.
43 + 7 =
3
50
4
2
|
12.
21 + 16 =
4
3
2
37
|
|
13.
44 – 19 =
2
4
25
3
|
14.
46 – 31 =
2
1
15
3
|
15.
18 – 16 =
3
1
4
2
|
16.
35 – 1 =
4
3
34
2
|
|
17.
12 – 1 =
1
3
11
2
|
18.
35 – 17 =
2
4
18
3
|
19.
46 + 3 =
49
2
4
3
|
20.
49 + 1 =
4
50
3
2
|