Erafsommen tot 50

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

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