Maak de erafsom tot 50

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

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