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