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