Erafsommen oplossen tot 50

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

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