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