|
1.
20 – 20 =
3
0
|
2.
? – 9 = 16
25
30
|
3.
? – 35 = 0
9
35
|
4.
25 – 11 =
9
14
|
|
5.
? – 0 = 1
1
5
|
6.
? – 11 = 18
13
29
|
7.
? – 13 = 10
13
23
|
8.
12 – 8 =
4
1
|
|
9.
? – 3 = 15
18
8
|
10.
? – 17 = 23
4
40
|
11.
10 – 0 =
10
12
|
12.
1 – 1 =
1
0
|
|
13.
6 – 1 =
9
5
|
14.
4 – 3 =
1
3
|
15.
18 – 5 =
13
2
|
16.
? – 6 = 0
5
6
|
|
17.
28 – 1 =
23
27
|
18.
5 – 2 =
5
3
|
19.
? – 24 = 10
22
34
|
20.
29 – 1 =
28
30
|
|
1.
20 – 20 =
3
0
|
2.
? – 9 = 16
25
30
|
3.
? – 35 = 0
9
35
|
4.
25 – 11 =
9
14
|
|
5.
? – 0 = 1
1
5
|
6.
? – 11 = 18
13
29
|
7.
? – 13 = 10
13
23
|
8.
12 – 8 =
4
1
|
|
9.
? – 3 = 15
18
8
|
10.
? – 17 = 23
4
40
|
11.
10 – 0 =
10
12
|
12.
1 – 1 =
1
0
|
|
13.
6 – 1 =
9
5
|
14.
4 – 3 =
1
3
|
15.
18 – 5 =
13
2
|
16.
? – 6 = 0
5
6
|
|
17.
28 – 1 =
23
27
|
18.
5 – 2 =
5
3
|
19.
? – 24 = 10
22
34
|
20.
29 – 1 =
28
30
|