Erafsommen tot 50 maken

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

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