Erafsommen oplossen tot 50

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

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