Maak de erafsom tot 50

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

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