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