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