Erafsommen oplossen tot 50

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

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