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