Supersnelle erafsommen tot 20
Erafsommen
|
1.
19 – 17 =
3
1
2
4
|
2.
10 – 5 =
8
5
9
1
|
3.
16 – 12 =
4
2
7
5
|
4.
4 – 1 =
2
5
3
6
|
|
5.
18 – 1 =
7
17
14
3
|
6.
19 – 3 =
1
16
8
6
|
7.
10 – 0 =
14
15
11
10
|
8.
11 – 6 =
1
5
7
4
|
|
9.
15 – 10 =
7
1
5
8
|
10.
19 – 2 =
22
19
14
17
|
11.
15 – 15 =
4
3
5
0
|
12.
8 – 3 =
5
1
4
8
|
|
13.
15 – 1 =
8
16
14
10
|
14.
12 – 4 =
5
4
8
12
|
15.
15 – 7 =
3
10
9
8
|
16.
10 – 3 =
3
2
9
7
|
|
17.
18 – 15 =
2
3
6
5
|
18.
18 – 4 =
12
16
14
1
|
19.
6 – 2 =
5
4
9
8
|
20.
11 – 0 =
11
7
14
8
|