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