Erafsommen oplossen tot 50

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

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