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