Erafsommen oplossen tot 50

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

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