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