Reken de erafsommen tot 50 uit

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

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