|
1.
29 – 27 =
3
2
|
2.
? – 15 = 5
15
20
|
3.
11 – 10 =
1
6
|
4.
? – 13 = 20
33
21
|
|
5.
15 – 5 =
10
12
|
6.
24 – 14 =
2
10
|
7.
? – 3 = 8
10
11
|
8.
? – 17 = 10
27
24
|
|
9.
? – 7 = 10
17
6
|
10.
29 – 2 =
27
1
|
11.
? – 1 = 2
3
6
|
12.
31 – 30 =
1
3
|
|
13.
14 – 12 =
2
6
|
14.
? – 13 = 2
15
16
|
15.
? – 11 = 15
23
26
|
16.
? – 16 = 15
2
31
|
|
17.
47 – 11 =
36
23
|
18.
? – 23 = 23
7
46
|
19.
28 – 19 =
9
4
|
20.
10 – 8 =
2
3
|
|
1.
29 – 27 =
3
2
|
2.
? – 15 = 5
15
20
|
3.
11 – 10 =
1
6
|
4.
? – 13 = 20
33
21
|
|
5.
15 – 5 =
10
12
|
6.
24 – 14 =
2
10
|
7.
? – 3 = 8
10
11
|
8.
? – 17 = 10
27
24
|
|
9.
? – 7 = 10
17
6
|
10.
29 – 2 =
27
1
|
11.
? – 1 = 2
3
6
|
12.
31 – 30 =
1
3
|
|
13.
14 – 12 =
2
6
|
14.
? – 13 = 2
15
16
|
15.
? – 11 = 15
23
26
|
16.
? – 16 = 15
2
31
|
|
17.
47 – 11 =
36
23
|
18.
? – 23 = 23
7
46
|
19.
28 – 19 =
9
4
|
20.
10 – 8 =
2
3
|