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