Erafsommen oplossen tot 50

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

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