Los de erafsommen tot 20 op
Erafsommen
|
1.
15 – 6 =
9
3
|
2.
16 – 15 =
5
1
|
3.
7 – 0 =
7
1
|
4.
19 – 10 =
10
9
|
|
5.
12 – 11 =
5
1
|
6.
6 – 2 =
3
4
|
7.
20 – 3 =
5
17
|
8.
20 – 4 =
16
21
|
|
9.
1 – 1 =
0
1
|
10.
17 – 1 =
16
13
|
11.
12 – 1 =
11
9
|
12.
16 – 4 =
12
15
|
|
13.
9 – 1 =
8
11
|
14.
13 – 0 =
10
13
|
15.
6 – 3 =
3
7
|
16.
10 – 4 =
6
8
|
|
17.
8 – 7 =
5
1
|
18.
7 – 0 =
7
12
|
19.
5 – 2 =
3
6
|
20.
5 – 3 =
2
4
|