Erafsommen oplossen tot 50

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

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