Maak de erafsom tot 50

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

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