1.
9 – 9 =
1
3
5
0
|
2.
4 – 3 =
5
6
4
1
|
3.
5 – 2 =
2
7
3
5
|
4.
8 – 6 =
1
2
7
3
|
5.
? – 11 = 6
3
17
21
19
|
6.
? – 4 = 3
11
7
9
8
|
7.
? – 11 = 0
11
3
12
14
|
8.
12 – 8 =
7
3
4
1
|
9.
14 – 9 =
1
4
5
9
|
10.
? – 0 = 7
2
7
8
10
|
11.
? – 5 = 6
10
13
11
4
|
12.
3 – 2 =
6
4
5
1
|
13.
16 – 14 =
2
6
4
3
|
14.
2 – 0 =
4
1
7
2
|
15.
? – 15 = 0
20
15
19
10
|
16.
7 – 1 =
5
2
3
6
|
17.
8 – 3 =
8
2
7
5
|
18.
? – 2 = 1
4
7
3
2
|
19.
? – 6 = 4
13
10
14
5
|
20.
12 – 7 =
6
3
5
7
|
1.
9 – 9 =
1
3
5
0
|
2.
4 – 3 =
5
6
4
1
|
3.
5 – 2 =
2
7
3
5
|
4.
8 – 6 =
1
2
7
3
|
5.
? – 11 = 6
3
17
21
19
|
6.
? – 4 = 3
11
7
9
8
|
7.
? – 11 = 0
11
3
12
14
|
8.
12 – 8 =
7
3
4
1
|
9.
14 – 9 =
1
4
5
9
|
10.
? – 0 = 7
2
7
8
10
|
11.
? – 5 = 6
10
13
11
4
|
12.
3 – 2 =
6
4
5
1
|
13.
16 – 14 =
2
6
4
3
|
14.
2 – 0 =
4
1
7
2
|
15.
? – 15 = 0
20
15
19
10
|
16.
7 – 1 =
5
2
3
6
|
17.
8 – 3 =
8
2
7
5
|
18.
? – 2 = 1
4
7
3
2
|
19.
? – 6 = 4
13
10
14
5
|
20.
12 – 7 =
6
3
5
7
|