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