1.
47 + 0 =
3
47
2
4
|
2.
22 + 0 =
4
2
22
3
|
3.
44 + 6 =
4
50
3
2
|
4.
6 – 4 =
3
2
4
1
|
5.
40 + 1 =
4
3
41
2
|
6.
31 – 31 =
2
4
0
3
|
7.
48 – 37 =
11
1
3
2
|
8.
34 – 33 =
4
2
1
3
|
9.
31 + 3 =
4
3
34
2
|
10.
44 + 2 =
46
4
3
2
|
11.
18 + 31 =
4
3
2
49
|
12.
18 – 14 =
4
2
3
1
|
13.
3 + 45 =
2
48
3
4
|
14.
18 – 8 =
2
1
10
3
|
15.
4 – 2 =
3
2
4
1
|
16.
28 – 3 =
25
2
3
4
|
17.
37 – 37 =
2
4
0
3
|
18.
31 + 0 =
2
4
31
3
|
19.
8 – 3 =
2
5
1
3
|
20.
2 – 0 =
1
2
4
3
|
1.
47 + 0 =
3
47
2
4
|
2.
22 + 0 =
4
2
22
3
|
3.
44 + 6 =
4
50
3
2
|
4.
6 – 4 =
3
2
4
1
|
5.
40 + 1 =
4
3
41
2
|
6.
31 – 31 =
2
4
0
3
|
7.
48 – 37 =
11
1
3
2
|
8.
34 – 33 =
4
2
1
3
|
9.
31 + 3 =
4
3
34
2
|
10.
44 + 2 =
46
4
3
2
|
11.
18 + 31 =
4
3
2
49
|
12.
18 – 14 =
4
2
3
1
|
13.
3 + 45 =
2
48
3
4
|
14.
18 – 8 =
2
1
10
3
|
15.
4 – 2 =
3
2
4
1
|
16.
28 – 3 =
25
2
3
4
|
17.
37 – 37 =
2
4
0
3
|
18.
31 + 0 =
2
4
31
3
|
19.
8 – 3 =
2
5
1
3
|
20.
2 – 0 =
1
2
4
3
|