Erafsommen oplossen tot 50

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

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