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