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