Erafsommen oplossen tot 50

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

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