Erafsommen tot 50

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

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