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