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