|
1.
? – 11 = 2
11
3
9
13
|
2.
3 – 1 =
4
2
5
7
|
3.
? – 2 = 13
19
15
12
3
|
4.
? – 8 = 2
12
14
10
15
|
|
5.
? – 3 = 2
6
2
5
3
|
6.
? – 6 = 13
20
19
1
16
|
7.
? – 8 = 11
19
16
1
8
|
8.
? – 4 = 11
3
20
12
15
|
|
9.
2 – 1 =
1
3
2
4
|
10.
? – 2 = 0
5
2
4
3
|
11.
4 – 2 =
4
2
5
3
|
12.
3 – 1 =
3
5
6
2
|
|
13.
5 – 1 =
5
4
2
1
|
14.
7 – 6 =
1
2
5
3
|
15.
4 – 1 =
4
3
8
6
|
16.
? – 9 = 0
1
9
4
14
|
|
17.
6 – 2 =
6
4
8
5
|
18.
? – 3 = 1
4
7
1
8
|
19.
20 – 1 =
19
15
7
11
|
20.
? – 3 = 17
20
23
24
15
|
|
1.
? – 11 = 2
11
3
9
13
|
2.
3 – 1 =
4
2
5
7
|
3.
? – 2 = 13
19
15
12
3
|
4.
? – 8 = 2
12
14
10
15
|
|
5.
? – 3 = 2
6
2
5
3
|
6.
? – 6 = 13
20
19
1
16
|
7.
? – 8 = 11
19
16
1
8
|
8.
? – 4 = 11
3
20
12
15
|
|
9.
2 – 1 =
1
3
2
4
|
10.
? – 2 = 0
5
2
4
3
|
11.
4 – 2 =
4
2
5
3
|
12.
3 – 1 =
3
5
6
2
|
|
13.
5 – 1 =
5
4
2
1
|
14.
7 – 6 =
1
2
5
3
|
15.
4 – 1 =
4
3
8
6
|
16.
? – 9 = 0
1
9
4
14
|
|
17.
6 – 2 =
6
4
8
5
|
18.
? – 3 = 1
4
7
1
8
|
19.
20 – 1 =
19
15
7
11
|
20.
? – 3 = 17
20
23
24
15
|