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