|
1.
15 – 3 =
12
5
|
2.
27 – 1 =
21
26
|
3.
49 – 49 =
3
0
|
4.
15 – 8 =
7
4
|
|
5.
19 – 18 =
1
2
|
6.
21 – 13 =
4
8
|
7.
27 – 2 =
11
25
|
8.
3 – 0 =
8
3
|
|
9.
29 – 12 =
17
14
|
10.
49 – 9 =
40
21
|
11.
43 – 29 =
14
2
|
12.
23 – 17 =
10
6
|
|
13.
29 – 9 =
7
20
|
14.
17 – 9 =
10
8
|
15.
38 – 3 =
16
35
|
16.
37 – 1 =
36
17
|
|
17.
44 – 29 =
15
20
|
18.
27 – 17 =
10
11
|
19.
5 – 3 =
2
5
|
20.
5 – 0 =
5
4
|
|
1.
15 – 3 =
12
5
|
2.
27 – 1 =
21
26
|
3.
49 – 49 =
3
0
|
4.
15 – 8 =
7
4
|
|
5.
19 – 18 =
1
2
|
6.
21 – 13 =
4
8
|
7.
27 – 2 =
11
25
|
8.
3 – 0 =
8
3
|
|
9.
29 – 12 =
17
14
|
10.
49 – 9 =
40
21
|
11.
43 – 29 =
14
2
|
12.
23 – 17 =
10
6
|
|
13.
29 – 9 =
7
20
|
14.
17 – 9 =
10
8
|
15.
38 – 3 =
16
35
|
16.
37 – 1 =
36
17
|
|
17.
44 – 29 =
15
20
|
18.
27 – 17 =
10
11
|
19.
5 – 3 =
2
5
|
20.
5 – 0 =
5
4
|