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