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