|
1.
29 – 20 =
12
9
|
2.
3 – 3 =
4
0
|
3.
34 – 32 =
2
3
|
4.
28 – 24 =
3
4
|
|
5.
30 – 18 =
12
15
|
6.
30 – 3 =
31
27
|
7.
8 – 5 =
3
7
|
8.
11 – 6 =
5
7
|
|
9.
23 – 9 =
14
10
|
10.
12 – 6 =
6
7
|
11.
7 – 4 =
7
3
|
12.
17 – 11 =
6
10
|
|
13.
2 – 1 =
4
1
|
14.
44 – 40 =
4
2
|
15.
38 – 1 =
37
32
|
16.
15 – 12 =
3
2
|
|
17.
21 – 9 =
12
9
|
18.
12 – 8 =
4
7
|
19.
32 – 8 =
24
19
|
20.
49 – 37 =
12
8
|
|
1.
29 – 20 =
12
9
|
2.
3 – 3 =
4
0
|
3.
34 – 32 =
2
3
|
4.
28 – 24 =
3
4
|
|
5.
30 – 18 =
12
15
|
6.
30 – 3 =
31
27
|
7.
8 – 5 =
3
7
|
8.
11 – 6 =
5
7
|
|
9.
23 – 9 =
14
10
|
10.
12 – 6 =
6
7
|
11.
7 – 4 =
7
3
|
12.
17 – 11 =
6
10
|
|
13.
2 – 1 =
4
1
|
14.
44 – 40 =
4
2
|
15.
38 – 1 =
37
32
|
16.
15 – 12 =
3
2
|
|
17.
21 – 9 =
12
9
|
18.
12 – 8 =
4
7
|
19.
32 – 8 =
24
19
|
20.
49 – 37 =
12
8
|