|
1.
12 – 2 =
10
14
|
2.
40 – 1 =
10
39
|
3.
? – 14 = 4
18
16
|
4.
? – 2 = 5
5
7
|
|
5.
? – 10 = 4
14
1
|
6.
23 – 11 =
12
3
|
7.
45 – 35 =
10
11
|
8.
15 – 5 =
10
1
|
|
9.
5 – 1 =
4
3
|
10.
34 – 32 =
6
2
|
11.
? – 1 = 2
3
1
|
12.
25 – 21 =
4
6
|
|
13.
34 – 21 =
5
13
|
14.
? – 12 = 29
41
44
|
15.
6 – 0 =
6
7
|
16.
39 – 19 =
20
12
|
|
17.
50 – 50 =
3
0
|
18.
28 – 19 =
4
9
|
19.
39 – 34 =
4
5
|
20.
39 – 29 =
10
11
|
|
1.
12 – 2 =
10
14
|
2.
40 – 1 =
10
39
|
3.
? – 14 = 4
18
16
|
4.
? – 2 = 5
5
7
|
|
5.
? – 10 = 4
14
1
|
6.
23 – 11 =
12
3
|
7.
45 – 35 =
10
11
|
8.
15 – 5 =
10
1
|
|
9.
5 – 1 =
4
3
|
10.
34 – 32 =
6
2
|
11.
? – 1 = 2
3
1
|
12.
25 – 21 =
4
6
|
|
13.
34 – 21 =
5
13
|
14.
? – 12 = 29
41
44
|
15.
6 – 0 =
6
7
|
16.
39 – 19 =
20
12
|
|
17.
50 – 50 =
3
0
|
18.
28 – 19 =
4
9
|
19.
39 – 34 =
4
5
|
20.
39 – 29 =
10
11
|