Erafsommen oplossen tot 50

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

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