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