1.
? – 12 = 13
24
25
|
2.
18 – 11 =
7
12
|
3.
98 – 17 =
78
81
|
4.
55 – 38 =
17
7
|
5.
67 – 6 =
61
3
|
6.
50 – 42 =
8
12
|
7.
1 – 1 =
4
0
|
8.
66 – 19 =
21
47
|
9.
67 – 56 =
14
11
|
10.
16 – 1 =
15
3
|
11.
32 – 6 =
26
14
|
12.
? – 4 = 1
6
5
|
13.
36 – 3 =
33
17
|
14.
19 – 12 =
7
12
|
15.
99 – 11 =
3
88
|
16.
91 – 60 =
27
31
|
17.
? – 17 = 5
22
27
|
18.
? – 27 = 73
2
100
|
19.
88 – 47 =
41
32
|
20.
? – 7 = 2
4
9
|
1.
? – 12 = 13
24
25
|
2.
18 – 11 =
7
12
|
3.
98 – 17 =
78
81
|
4.
55 – 38 =
17
7
|
5.
67 – 6 =
61
3
|
6.
50 – 42 =
8
12
|
7.
1 – 1 =
4
0
|
8.
66 – 19 =
21
47
|
9.
67 – 56 =
14
11
|
10.
16 – 1 =
15
3
|
11.
32 – 6 =
26
14
|
12.
? – 4 = 1
6
5
|
13.
36 – 3 =
33
17
|
14.
19 – 12 =
7
12
|
15.
99 – 11 =
3
88
|
16.
91 – 60 =
27
31
|
17.
? – 17 = 5
22
27
|
18.
? – 27 = 73
2
100
|
19.
88 – 47 =
41
32
|
20.
? – 7 = 2
4
9
|