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