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