Maak de erbijsom tot 50

Erbijsommen
1.
45
+
0
=
2.
20
+
10
=
3.
15
+
10
=
4.
50
+
0
=
5.
45
+
5
=
6.
20
+
10
=
7.
50
+
0
=
8.
50
+
0
=
9.
45
+
0
=
10.
20
+
15
=
11.
30
+
15
=
12.
50
+
0
=
13.
30
+
5
=
14.
30
+
5
=
15.
35
+
10
=
16.
15
+
5
=
17.
20
+
15
=
18.
35
+
0
=
19.
20
+
15
=
20.
25
+
15
=
21.
10
+
5
=
22.
15
+
5
=
23.
35
+
10
=
24.
15
+
5
=
25.
35
+
15
=
26.
40
+
5
=
27.
10
+
5
=
28.
50
+
0
=
29.
45
+
5
=
30.
50
+
0
=
31.
35
+
15
=
32.
40
+
10
=
33.
20
+
5
=
34.
25
+
10
=
35.
25
+
10
=
36.
35
+
15
=
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Maak de erbijsom tot 50
| ANTWOORDEN

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