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