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