|
1.
49 – 31 =
18
16
|
2.
? – 20 = 14
34
30
|
3.
? – 10 = 20
32
30
|
4.
37 – 8 =
7
29
|
|
5.
45 – 39 =
10
6
|
6.
34 – 20 =
14
4
|
7.
? – 14 = 5
19
6
|
8.
? – 23 = 21
37
44
|
|
9.
? – 1 = 3
4
1
|
10.
? – 9 = 32
41
8
|
11.
39 – 8 =
31
34
|
12.
? – 21 = 2
23
19
|
|
13.
9 – 9 =
0
5
|
14.
15 – 0 =
5
15
|
15.
14 – 1 =
2
13
|
16.
13 – 13 =
0
1
|
|
17.
4 – 2 =
3
2
|
18.
? – 20 = 14
34
3
|
19.
? – 19 = 20
39
20
|
20.
46 – 37 =
9
11
|
|
1.
49 – 31 =
18
16
|
2.
? – 20 = 14
34
30
|
3.
? – 10 = 20
32
30
|
4.
37 – 8 =
7
29
|
|
5.
45 – 39 =
10
6
|
6.
34 – 20 =
14
4
|
7.
? – 14 = 5
19
6
|
8.
? – 23 = 21
37
44
|
|
9.
? – 1 = 3
4
1
|
10.
? – 9 = 32
41
8
|
11.
39 – 8 =
31
34
|
12.
? – 21 = 2
23
19
|
|
13.
9 – 9 =
0
5
|
14.
15 – 0 =
5
15
|
15.
14 – 1 =
2
13
|
16.
13 – 13 =
0
1
|
|
17.
4 – 2 =
3
2
|
18.
? – 20 = 14
34
3
|
19.
? – 19 = 20
39
20
|
20.
46 – 37 =
9
11
|