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