1.
28 – 22 =
2
6
|
2.
? – 62 = 2
21
64
|
3.
59 – 44 =
11
15
|
4.
? – 36 = 20
19
56
|
5.
74 – 3 =
3
71
|
6.
36 – 31 =
7
5
|
7.
42 – 24 =
13
18
|
8.
? – 65 = 31
96
54
|
9.
? – 42 = 47
89
60
|
10.
? – 42 = 1
32
43
|
11.
37 – 26 =
11
5
|
12.
21 – 15 =
6
5
|
13.
? – 21 = 3
24
19
|
14.
76 – 55 =
13
21
|
15.
9 – 4 =
5
1
|
16.
? – 41 = 34
75
27
|
17.
77 – 10 =
15
67
|
18.
? – 5 = 13
18
2
|
19.
? – 62 = 20
82
76
|
20.
35 – 11 =
24
26
|
1.
28 – 22 =
2
6
|
2.
? – 62 = 2
21
64
|
3.
59 – 44 =
11
15
|
4.
? – 36 = 20
19
56
|
5.
74 – 3 =
3
71
|
6.
36 – 31 =
7
5
|
7.
42 – 24 =
13
18
|
8.
? – 65 = 31
96
54
|
9.
? – 42 = 47
89
60
|
10.
? – 42 = 1
32
43
|
11.
37 – 26 =
11
5
|
12.
21 – 15 =
6
5
|
13.
? – 21 = 3
24
19
|
14.
76 – 55 =
13
21
|
15.
9 – 4 =
5
1
|
16.
? – 41 = 34
75
27
|
17.
77 – 10 =
15
67
|
18.
? – 5 = 13
18
2
|
19.
? – 62 = 20
82
76
|
20.
35 – 11 =
24
26
|