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