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