Maak de erafsom tot 50

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

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