Maak de erafsom tot 50

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

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