Reken de erafsommen tot 50 uit

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

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