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