Maak de erbijsom tot 50

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

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