Maak de erafsom tot 50

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

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