Erafsommen oplossen tot 50

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

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