|
1.
? – 1 = 17
1
16
13
18
|
2.
8 – 6 =
2
7
5
1
|
3.
12 – 6 =
11
6
9
8
|
4.
18 – 17 =
4
6
5
1
|
|
5.
9 – 5 =
1
7
4
5
|
6.
8 – 0 =
9
10
8
12
|
7.
? – 0 = 12
4
17
7
12
|
8.
? – 1 = 16
21
4
17
11
|
|
9.
14 – 11 =
5
2
7
3
|
10.
3 – 2 =
4
6
1
2
|
11.
20 – 20 =
2
3
1
0
|
12.
? – 6 = 3
7
10
12
9
|
|
13.
? – 11 = 1
5
12
14
7
|
14.
? – 2 = 5
4
1
6
7
|
15.
11 – 6 =
9
3
5
6
|
16.
1 – 1 =
0
4
1
2
|
|
17.
? – 0 = 10
10
2
12
14
|
18.
17 – 11 =
9
6
10
11
|
19.
? – 5 = 8
8
13
15
10
|
20.
? – 11 = 8
19
14
22
11
|
|
1.
? – 1 = 17
1
16
13
18
|
2.
8 – 6 =
2
7
5
1
|
3.
12 – 6 =
11
6
9
8
|
4.
18 – 17 =
4
6
5
1
|
|
5.
9 – 5 =
1
7
4
5
|
6.
8 – 0 =
9
10
8
12
|
7.
? – 0 = 12
4
17
7
12
|
8.
? – 1 = 16
21
4
17
11
|
|
9.
14 – 11 =
5
2
7
3
|
10.
3 – 2 =
4
6
1
2
|
11.
20 – 20 =
2
3
1
0
|
12.
? – 6 = 3
7
10
12
9
|
|
13.
? – 11 = 1
5
12
14
7
|
14.
? – 2 = 5
4
1
6
7
|
15.
11 – 6 =
9
3
5
6
|
16.
1 – 1 =
0
4
1
2
|
|
17.
? – 0 = 10
10
2
12
14
|
18.
17 – 11 =
9
6
10
11
|
19.
? – 5 = 8
8
13
15
10
|
20.
? – 11 = 8
19
14
22
11
|