Erafsommen tot 50

Erafsommen
1.
50
-
20
=
30
20
2.
50
-
10
=
25
40
3.
15
-
5
=
0
10
4.
5
-
5
=
5
0
5.
25
-
25
=
0
5
6.
10
-
10
=
0
20
7.
25
-
20
=
5
15
8.
10
-
5
=
25
5
9.
35
-
25
=
15
10
10.
35
-
5
=
30
25
11.
50
-
50
=
0
20
12.
30
-
0
=
20
30
13.
20
-
10
=
15
10
14.
5
-
0
=
5
10
15.
10
-
5
=
5
10
16.
15
-
10
=
10
5
17.
10
-
10
=
0
15
18.
5
-
0
=
15
5
19.
30
-
20
=
0
10
20.
5
-
0
=
20
5
21.
40
-
10
=
35
30
22.
40
-
10
=
25
30
23.
30
-
25
=
5
15
24.
25
-
0
=
15
25
25.
25
-
25
=
20
0
26.
40
-
15
=
30
25
27.
15
-
5
=
0
10
28.
25
-
0
=
30
25
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Erafsommen tot 50
| ANTWOORDEN

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