Erafsommen oplossen tot 50

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

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