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