Reken de erafsom tot 50 uit
Erafsommen
1.
40
–
20
=
2.
35
–
30
=
3.
45
–
25
=
4.
45
–
15
=
5.
5
–
5
=
6.
40
–
0
=
7.
35
–
20
=
8.
20
–
15
=
9.
10
–
5
=
10.
20
–
0
=
11.
5
–
0
=
12.
50
–
5
=
13.
25
–
20
=
14.
25
–
25
=
15.
25
–
10
=
16.
45
–
10
=
17.
45
–
20
=
18.
25
–
25
=
19.
20
–
20
=
20.
35
–
0
=
21.
20
–
5
=
22.
30
–
5
=
23.
25
–
0
=
24.
20
–
10
=
25.
45
–
30
=
26.
30
–
15
=
27.
25
–
25
=
28.
20
–
20
=
29.
50
–
10
=
30.
30
–
20
=
31.
10
–
0
=
32.
25
–
10
=
33.
45
–
25
=
34.
30
–
0
=
35.
30
–
30
=
36.
20
–
10
=