|
1.
? – 0 = 1
1
5
|
2.
? – 3 = 16
19
7
|
3.
? – 5 = 3
8
9
|
4.
18 – 13 =
5
3
|
|
5.
? – 12 = 2
14
2
|
6.
? – 9 = 8
17
1
|
7.
? – 9 = 5
10
14
|
8.
? – 11 = 9
6
20
|
|
9.
? – 4 = 11
1
15
|
10.
2 – 0 =
4
2
|
11.
18 – 11 =
7
5
|
12.
? – 7 = 9
21
16
|
|
13.
? – 1 = 2
7
3
|
14.
4 – 3 =
1
4
|
15.
7 – 3 =
8
4
|
16.
18 – 11 =
12
7
|
|
17.
1 – 0 =
1
5
|
18.
13 – 7 =
6
11
|
19.
17 – 2 =
15
2
|
20.
12 – 5 =
10
7
|
|
1.
? – 0 = 1
1
5
|
2.
? – 3 = 16
19
7
|
3.
? – 5 = 3
8
9
|
4.
18 – 13 =
5
3
|
|
5.
? – 12 = 2
14
2
|
6.
? – 9 = 8
17
1
|
7.
? – 9 = 5
10
14
|
8.
? – 11 = 9
6
20
|
|
9.
? – 4 = 11
1
15
|
10.
2 – 0 =
4
2
|
11.
18 – 11 =
7
5
|
12.
? – 7 = 9
21
16
|
|
13.
? – 1 = 2
7
3
|
14.
4 – 3 =
1
4
|
15.
7 – 3 =
8
4
|
16.
18 – 11 =
12
7
|
|
17.
1 – 0 =
1
5
|
18.
13 – 7 =
6
11
|
19.
17 – 2 =
15
2
|
20.
12 – 5 =
10
7
|