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