1.
45 – 23 =
22
2
|
2.
8 – 4 =
1
4
|
3.
44 – 39 =
5
1
|
4.
45 – 17 =
2
28
|
5.
31 + 17 =
2
48
|
6.
28 – 1 =
27
2
|
7.
21 + 21 =
2
42
|
8.
19 – 6 =
1
13
|
9.
50 – 45 =
5
1
|
10.
19 + 30 =
2
49
|
11.
6 – 4 =
2
1
|
12.
23 + 26 =
2
49
|
13.
36 – 19 =
2
17
|
14.
44 + 6 =
50
2
|
15.
17 – 3 =
14
1
|
16.
39 – 30 =
9
1
|
17.
3 – 0 =
1
3
|
18.
32 – 22 =
10
1
|
19.
2 – 2 =
2
0
|
20.
41 – 8 =
2
33
|
1.
45 – 23 =
22
2
|
2.
8 – 4 =
1
4
|
3.
44 – 39 =
5
1
|
4.
45 – 17 =
2
28
|
5.
31 + 17 =
2
48
|
6.
28 – 1 =
27
2
|
7.
21 + 21 =
2
42
|
8.
19 – 6 =
1
13
|
9.
50 – 45 =
5
1
|
10.
19 + 30 =
2
49
|
11.
6 – 4 =
2
1
|
12.
23 + 26 =
2
49
|
13.
36 – 19 =
2
17
|
14.
44 + 6 =
50
2
|
15.
17 – 3 =
14
1
|
16.
39 – 30 =
9
1
|
17.
3 – 0 =
1
3
|
18.
32 – 22 =
10
1
|
19.
2 – 2 =
2
0
|
20.
41 – 8 =
2
33
|