Erafsommen oplossen tot 50

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

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