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