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