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