Maak de erafsom tot 50

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

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