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