Erafsommen oplossen tot 50

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

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