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