Erafsommen oplossen tot 50

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

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