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