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