Maak de erbijsom tot 50

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

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