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