Maak de erafsom tot 50

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

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