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