Erafsommen oplossen tot 50

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

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