Erafsommen oplossen tot 50

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

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