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