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