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