Erafsommen tot 50 maken

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

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