Maak de erafsom tot 50

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

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