Maak de erafsom tot 50

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

Erafsommen
1.
25
–
20
=
5
2.
5
–
0
=
5
3.
30
–
30
=
0
4.
25
–
25
=
0
5.
5
–
0
=
5
6.
45
–
40
=
5
7.
15
–
15
=
0
8.
15
–
15
=
0
9.
5
–
5
=
0
10.
20
–
15
=
5
11.
5
–
5
=
0
12.
5
–
0
=
5
13.
20
–
20
=
0
14.
45
–
20
=
25
15.
40
–
10
=
30
16.
45
–
45
=
0
17.
40
–
40
=
0
18.
50
–
50
=
0
19.
15
–
0
=
15
20.
45
–
20
=
25
21.
5
–
5
=
0
22.
10
–
5
=
5
23.
5
–
0
=
5
24.
20
–
5
=
15
25.
30
–
20
=
10
26.
10
–
5
=
5
27.
40
–
40
=
0
28.
15
–
5
=
10
29.
10
–
10
=
0
30.
10
–
10
=
0
31.
10
–
0
=
10
32.
15
–
10
=
5
33.
5
–
0
=
5
34.
15
–
0
=
15
35.
25
–
15
=
10
36.
5
–
5
=
0
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen