Reken de erafsommen tot 50 uit

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

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