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