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