Erafsommen tot 50 maken

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

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