Erafsommen oplossen tot 50

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

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