|
1.
28 – 28 =
2
0
|
2.
25 – 15 =
10
1
|
3.
16 – 13 =
1
3
|
4.
44 + 2 =
46
2
|
|
5.
39 – 23 =
2
16
|
6.
15 – 4 =
11
1
|
7.
9 – 3 =
1
6
|
8.
44 + 6 =
2
50
|
|
9.
29 – 11 =
2
18
|
10.
42 – 25 =
2
17
|
11.
47 + 3 =
2
50
|
12.
19 + 6 =
25
2
|
|
13.
21 – 5 =
2
16
|
14.
15 + 35 =
50
2
|
15.
45 – 28 =
17
2
|
16.
43 – 29 =
1
14
|
|
17.
8 + 15 =
2
23
|
18.
50 – 2 =
48
2
|
19.
49 – 20 =
29
2
|
20.
40 – 23 =
17
2
|
|
1.
28 – 28 =
2
0
|
2.
25 – 15 =
10
1
|
3.
16 – 13 =
1
3
|
4.
44 + 2 =
46
2
|
|
5.
39 – 23 =
2
16
|
6.
15 – 4 =
11
1
|
7.
9 – 3 =
1
6
|
8.
44 + 6 =
2
50
|
|
9.
29 – 11 =
2
18
|
10.
42 – 25 =
2
17
|
11.
47 + 3 =
2
50
|
12.
19 + 6 =
25
2
|
|
13.
21 – 5 =
2
16
|
14.
15 + 35 =
50
2
|
15.
45 – 28 =
17
2
|
16.
43 – 29 =
1
14
|
|
17.
8 + 15 =
2
23
|
18.
50 – 2 =
48
2
|
19.
49 – 20 =
29
2
|
20.
40 – 23 =
17
2
|