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