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