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