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