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