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