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