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