|
1.
? – 10 = 1
9
14
1
11
|
2.
16 – 14 =
3
2
5
7
|
3.
14 – 8 =
4
3
1
6
|
4.
13 – 12 =
6
5
4
1
|
|
5.
14 – 9 =
5
7
2
3
|
6.
2 – 2 =
3
2
0
1
|
7.
? – 0 = 6
7
6
9
11
|
8.
4 – 3 =
6
1
2
3
|
|
9.
? – 4 = 7
11
2
3
6
|
10.
10 – 6 =
1
4
2
9
|
11.
20 – 19 =
5
2
1
6
|
12.
? – 15 = 3
18
8
23
17
|
|
13.
4 – 1 =
7
4
3
1
|
14.
? – 6 = 1
4
7
6
11
|
15.
? – 0 = 2
1
2
5
3
|
16.
12 – 12 =
0
4
2
3
|
|
17.
? – 2 = 4
6
7
3
1
|
18.
19 – 0 =
19
11
16
23
|
19.
10 – 4 =
8
6
9
1
|
20.
17 – 1 =
17
12
16
4
|
|
1.
? – 10 = 1
9
14
1
11
|
2.
16 – 14 =
3
2
5
7
|
3.
14 – 8 =
4
3
1
6
|
4.
13 – 12 =
6
5
4
1
|
|
5.
14 – 9 =
5
7
2
3
|
6.
2 – 2 =
3
2
0
1
|
7.
? – 0 = 6
7
6
9
11
|
8.
4 – 3 =
6
1
2
3
|
|
9.
? – 4 = 7
11
2
3
6
|
10.
10 – 6 =
1
4
2
9
|
11.
20 – 19 =
5
2
1
6
|
12.
? – 15 = 3
18
8
23
17
|
|
13.
4 – 1 =
7
4
3
1
|
14.
? – 6 = 1
4
7
6
11
|
15.
? – 0 = 2
1
2
5
3
|
16.
12 – 12 =
0
4
2
3
|
|
17.
? – 2 = 4
6
7
3
1
|
18.
19 – 0 =
19
11
16
23
|
19.
10 – 4 =
8
6
9
1
|
20.
17 – 1 =
17
12
16
4
|