Maak de erafsom tot 50

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

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