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