Maak de erbijsom tot 50

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

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