|
1.
50 + 0 =
50
4
2
3
|
2.
4 – 1 =
2
4
1
3
|
3.
25 – 12 =
2
3
13
1
|
4.
1 – 1 =
4
0
2
3
|
|
5.
34 + 16 =
3
4
50
2
|
6.
10 – 7 =
3
2
4
1
|
7.
20 + 17 =
37
2
3
4
|
8.
21 – 1 =
20
2
3
4
|
|
9.
4 – 0 =
3
1
4
2
|
10.
27 – 24 =
2
1
4
3
|
11.
4 – 4 =
2
0
4
3
|
12.
18 + 29 =
47
4
2
3
|
|
13.
21 – 14 =
3
2
7
1
|
14.
16 + 22 =
3
38
4
2
|
15.
8 + 10 =
3
4
18
2
|
16.
42 + 1 =
43
4
3
2
|
|
17.
30 – 29 =
3
2
1
4
|
18.
5 – 0 =
2
5
3
1
|
19.
31 – 9 =
2
3
22
4
|
20.
50 + 0 =
3
4
2
50
|
|
1.
50 + 0 =
50
4
2
3
|
2.
4 – 1 =
2
4
1
3
|
3.
25 – 12 =
2
3
13
1
|
4.
1 – 1 =
4
0
2
3
|
|
5.
34 + 16 =
3
4
50
2
|
6.
10 – 7 =
3
2
4
1
|
7.
20 + 17 =
37
2
3
4
|
8.
21 – 1 =
20
2
3
4
|
|
9.
4 – 0 =
3
1
4
2
|
10.
27 – 24 =
2
1
4
3
|
11.
4 – 4 =
2
0
4
3
|
12.
18 + 29 =
47
4
2
3
|
|
13.
21 – 14 =
3
2
7
1
|
14.
16 + 22 =
3
38
4
2
|
15.
8 + 10 =
3
4
18
2
|
16.
42 + 1 =
43
4
3
2
|
|
17.
30 – 29 =
3
2
1
4
|
18.
5 – 0 =
2
5
3
1
|
19.
31 – 9 =
2
3
22
4
|
20.
50 + 0 =
3
4
2
50
|