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