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