1.
? – 13 = 0
11
13
|
2.
15 – 12 =
3
5
|
3.
? – 30 = 0
30
23
|
4.
21 – 19 =
2
6
|
5.
? – 6 = 15
7
21
|
6.
32 – 21 =
5
11
|
7.
? – 12 = 9
21
14
|
8.
62 – 13 =
23
49
|
9.
13 – 9 =
6
4
|
10.
94 – 64 =
30
34
|
11.
? – 6 = 7
17
13
|
12.
84 – 45 =
39
5
|
13.
70 – 20 =
26
50
|
14.
? – 17 = 16
20
33
|
15.
79 – 6 =
73
17
|
16.
6 – 6 =
4
0
|
17.
65 – 27 =
26
38
|
18.
? – 79 = 15
94
8
|
19.
52 – 36 =
18
16
|
20.
? – 10 = 2
13
12
|
1.
? – 13 = 0
11
13
|
2.
15 – 12 =
3
5
|
3.
? – 30 = 0
30
23
|
4.
21 – 19 =
2
6
|
5.
? – 6 = 15
7
21
|
6.
32 – 21 =
5
11
|
7.
? – 12 = 9
21
14
|
8.
62 – 13 =
23
49
|
9.
13 – 9 =
6
4
|
10.
94 – 64 =
30
34
|
11.
? – 6 = 7
17
13
|
12.
84 – 45 =
39
5
|
13.
70 – 20 =
26
50
|
14.
? – 17 = 16
20
33
|
15.
79 – 6 =
73
17
|
16.
6 – 6 =
4
0
|
17.
65 – 27 =
26
38
|
18.
? – 79 = 15
94
8
|
19.
52 – 36 =
18
16
|
20.
? – 10 = 2
13
12
|