Maak de erbijsom tot 50

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

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