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