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