Erafsommen oplossen tot 50

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

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