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