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