Erafsommen oplossen tot 50

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

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