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