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