Maak de erbijsom tot 50

Erbijsommen
1.
50
+
0
=
2.
20
+
5
=
3.
35
+
15
=
4.
15
+
0
=
5.
40
+
10
=
6.
25
+
20
=
7.
25
+
5
=
8.
25
+
0
=
9.
30
+
0
=
10.
30
+
5
=
11.
30
+
5
=
12.
15
+
10
=
13.
15
+
5
=
14.
15
+
5
=
15.
20
+
15
=
16.
20
+
10
=
17.
20
+
15
=
18.
50
+
0
=
19.
25
+
15
=
20.
50
+
0
=
21.
30
+
15
=
22.
30
+
20
=
23.
20
+
5
=
24.
30
+
15
=
25.
10
+
10
=
26.
25
+
20
=
27.
35
+
15
=
28.
25
+
15
=
29.
40
+
10
=
30.
15
+
5
=
31.
10
+
10
=
32.
30
+
10
=
33.
25
+
0
=
34.
30
+
20
=
35.
25
+
15
=
36.
50
+
0
=
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Maak de erbijsom tot 50
| ANTWOORDEN

Erbijsommen
1.
50
+
0
=
50
2.
20
+
5
=
25
3.
35
+
15
=
50
4.
15
+
0
=
15
5.
40
+
10
=
50
6.
25
+
20
=
45
7.
25
+
5
=
30
8.
25
+
0
=
25
9.
30
+
0
=
30
10.
30
+
5
=
35
11.
30
+
5
=
35
12.
15
+
10
=
25
13.
15
+
5
=
20
14.
15
+
5
=
20
15.
20
+
15
=
35
16.
20
+
10
=
30
17.
20
+
15
=
35
18.
50
+
0
=
50
19.
25
+
15
=
40
20.
50
+
0
=
50
21.
30
+
15
=
45
22.
30
+
20
=
50
23.
20
+
5
=
25
24.
30
+
15
=
45
25.
10
+
10
=
20
26.
25
+
20
=
45
27.
35
+
15
=
50
28.
25
+
15
=
40
29.
40
+
10
=
50
30.
15
+
5
=
20
31.
10
+
10
=
20
32.
30
+
10
=
40
33.
25
+
0
=
25
34.
30
+
20
=
50
35.
25
+
15
=
40
36.
50
+
0
=
50
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen