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