Erafsommen oplossen tot 50

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

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