Oefen de erafsommen tot 50

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

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